40155700

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{79}}^1$

素因数の和:146

約数の個数: 144

約数和(自身を含む): 104993280

約数和(自身を除く): 64837580

約数列:

[1, 2, 4, 5, 10, 13, 17, 20, 23, 25, 26, 34, 46, 50, 52, 65, 68, 79, 85, 92, 100, 115, 130, 158, 170, 221, 230, 260, 299, 316, 325, 340, 391, 395, 425, 442, 460, 575, 598, 650, 782, 790, 850, 884, 1027, 1105, 1150, 1196, 1300, 1343, 1495, 1564, 1580, 1700, 1817, 1955, 1975, 2054, 2210, 2300, 2686, 2990, 3634, 3910, 3950, 4108, 4420, 5083, 5135, 5372, 5525, 5980, 6715, 7268, 7475, 7820, 7900, 9085, 9775, 10166, 10270, 11050, 13430, 14950, 17459, 18170, 19550, 20332, 20540, 22100, 23621, 25415, 25675, 26860, 29900, 30889, 33575, 34918, 36340, 39100, 45425, 47242, 50830, 51350, 61778, 67150, 69836, 87295, 90850, 94484, 101660, 102700, 118105, 123556, 127075, 134300, 154445, 174590, 181700, 236210, 254150, 308890, 349180, 401557, 436475, 472420, 508300, 590525, 617780, 772225, 803114, 872950, 1181050, 1544450, 1606228, 1745900, 2007785, 2362100, 3088900, 4015570, 8031140, 10038925, 20077850, 40155700]

約数ペア:

[(1, 40155700), (2, 20077850), (4, 10038925), (5, 8031140), (10, 4015570), (13, 3088900), (17, 2362100), (20, 2007785), (23, 1745900), (25, 1606228), (26, 1544450), (34, 1181050), (46, 872950), (50, 803114), (52, 772225), (65, 617780), (68, 590525), (79, 508300), (85, 472420), (92, 436475), (100, 401557), (115, 349180), (130, 308890), (158, 254150), (170, 236210), (221, 181700), (230, 174590), (260, 154445), (299, 134300), (316, 127075), (325, 123556), (340, 118105), (391, 102700), (395, 101660), (425, 94484), (442, 90850), (460, 87295), (575, 69836), (598, 67150), (650, 61778), (782, 51350), (790, 50830), (850, 47242), (884, 45425), (1027, 39100), (1105, 36340), (1150, 34918), (1196, 33575), (1300, 30889), (1343, 29900), (1495, 26860), (1564, 25675), (1580, 25415), (1700, 23621), (1817, 22100), (1955, 20540), (1975, 20332), (2054, 19550), (2210, 18170), (2300, 17459), (2686, 14950), (2990, 13430), (3634, 11050), (3910, 10270), (3950, 10166), (4108, 9775), (4420, 9085), (5083, 7900), (5135, 7820), (5372, 7475), (5525, 7268), (5980, 6715)]