8031140

素因数分解:

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

素因数の和:141

約数の個数: 96

約数和(自身を含む): 20321280

約数和(自身を除く): 12290140

約数列:

[1, 2, 4, 5, 10, 13, 17, 20, 23, 26, 34, 46, 52, 65, 68, 79, 85, 92, 115, 130, 158, 170, 221, 230, 260, 299, 316, 340, 391, 395, 442, 460, 598, 782, 790, 884, 1027, 1105, 1196, 1343, 1495, 1564, 1580, 1817, 1955, 2054, 2210, 2686, 2990, 3634, 3910, 4108, 4420, 5083, 5135, 5372, 5980, 6715, 7268, 7820, 9085, 10166, 10270, 13430, 17459, 18170, 20332, 20540, 23621, 25415, 26860, 30889, 34918, 36340, 47242, 50830, 61778, 69836, 87295, 94484, 101660, 118105, 123556, 154445, 174590, 236210, 308890, 349180, 401557, 472420, 617780, 803114, 1606228, 2007785, 4015570, 8031140]

約数ペア:

[(1, 8031140), (2, 4015570), (4, 2007785), (5, 1606228), (10, 803114), (13, 617780), (17, 472420), (20, 401557), (23, 349180), (26, 308890), (34, 236210), (46, 174590), (52, 154445), (65, 123556), (68, 118105), (79, 101660), (85, 94484), (92, 87295), (115, 69836), (130, 61778), (158, 50830), (170, 47242), (221, 36340), (230, 34918), (260, 30889), (299, 26860), (316, 25415), (340, 23621), (391, 20540), (395, 20332), (442, 18170), (460, 17459), (598, 13430), (782, 10270), (790, 10166), (884, 9085), (1027, 7820), (1105, 7268), (1196, 6715), (1343, 5980), (1495, 5372), (1564, 5135), (1580, 5083), (1817, 4420), (1955, 4108), (2054, 3910), (2210, 3634), (2686, 2990)]