40205100

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{13}}^3\times {\mathrm{61}}^1$

素因数の和:117

約数の個数: 144

約数和(自身を含む): 128082080

約数和(自身を除く): 87876980

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 25, 26, 30, 39, 50, 52, 60, 61, 65, 75, 78, 100, 122, 130, 150, 156, 169, 183, 195, 244, 260, 300, 305, 325, 338, 366, 390, 507, 610, 650, 676, 732, 780, 793, 845, 915, 975, 1014, 1220, 1300, 1525, 1586, 1690, 1830, 1950, 2028, 2197, 2379, 2535, 3050, 3172, 3380, 3660, 3900, 3965, 4225, 4394, 4575, 4758, 5070, 6100, 6591, 7930, 8450, 8788, 9150, 9516, 10140, 10309, 10985, 11895, 12675, 13182, 15860, 16900, 18300, 19825, 20618, 21970, 23790, 25350, 26364, 30927, 32955, 39650, 41236, 43940, 47580, 50700, 51545, 54925, 59475, 61854, 65910, 79300, 103090, 109850, 118950, 123708, 131820, 134017, 154635, 164775, 206180, 219700, 237900, 257725, 268034, 309270, 329550, 402051, 515450, 536068, 618540, 659100, 670085, 773175, 804102, 1030900, 1340170, 1546350, 1608204, 2010255, 2680340, 3092700, 3350425, 4020510, 6700850, 8041020, 10051275, 13401700, 20102550, 40205100]

約数ペア:

[(1, 40205100), (2, 20102550), (3, 13401700), (4, 10051275), (5, 8041020), (6, 6700850), (10, 4020510), (12, 3350425), (13, 3092700), (15, 2680340), (20, 2010255), (25, 1608204), (26, 1546350), (30, 1340170), (39, 1030900), (50, 804102), (52, 773175), (60, 670085), (61, 659100), (65, 618540), (75, 536068), (78, 515450), (100, 402051), (122, 329550), (130, 309270), (150, 268034), (156, 257725), (169, 237900), (183, 219700), (195, 206180), (244, 164775), (260, 154635), (300, 134017), (305, 131820), (325, 123708), (338, 118950), (366, 109850), (390, 103090), (507, 79300), (610, 65910), (650, 61854), (676, 59475), (732, 54925), (780, 51545), (793, 50700), (845, 47580), (915, 43940), (975, 41236), (1014, 39650), (1220, 32955), (1300, 30927), (1525, 26364), (1586, 25350), (1690, 23790), (1830, 21970), (1950, 20618), (2028, 19825), (2197, 18300), (2379, 16900), (2535, 15860), (3050, 13182), (3172, 12675), (3380, 11895), (3660, 10985), (3900, 10309), (3965, 10140), (4225, 9516), (4394, 9150), (4575, 8788), (4758, 8450), (5070, 7930), (6100, 6591)]