3968007880

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{127343}}^1$

素因数の和:127414

約数の個数: 64

約数和(自身を含む): 9627206400

約数和(自身を除く): 5659198520

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 41, 76, 82, 95, 152, 164, 190, 205, 328, 380, 410, 760, 779, 820, 1558, 1640, 3116, 3895, 6232, 7790, 15580, 31160, 127343, 254686, 509372, 636715, 1018744, 1273430, 2419517, 2546860, 4839034, 5093720, 5221063, 9678068, 10442126, 12097585, 19356136, 20884252, 24195170, 26105315, 41768504, 48390340, 52210630, 96780680, 99200197, 104421260, 198400394, 208842520, 396800788, 496000985, 793601576, 992001970, 1984003940, 3968007880]

約数ペア:

[(1, 3968007880), (2, 1984003940), (4, 992001970), (5, 793601576), (8, 496000985), (10, 396800788), (19, 208842520), (20, 198400394), (38, 104421260), (40, 99200197), (41, 96780680), (76, 52210630), (82, 48390340), (95, 41768504), (152, 26105315), (164, 24195170), (190, 20884252), (205, 19356136), (328, 12097585), (380, 10442126), (410, 9678068), (760, 5221063), (779, 5093720), (820, 4839034), (1558, 2546860), (1640, 2419517), (3116, 1273430), (3895, 1018744), (6232, 636715), (7790, 509372), (15580, 254686), (31160, 127343)]