71374756520

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{109}}^1\times {\mathrm{399277}}^1$

素因数の和:399438

約数の個数: 64

約数和(自身を含む): 166019792400

約数和(自身を除く): 94645035880

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 109, 164, 205, 218, 328, 410, 436, 545, 820, 872, 1090, 1640, 2180, 4360, 4469, 8938, 17876, 22345, 35752, 44690, 89380, 178760, 399277, 798554, 1597108, 1996385, 3194216, 3992770, 7985540, 15971080, 16370357, 32740714, 43521193, 65481428, 81851785, 87042386, 130962856, 163703570, 174084772, 217605965, 327407140, 348169544, 435211930, 654814280, 870423860, 1740847720, 1784368913, 3568737826, 7137475652, 8921844565, 14274951304, 17843689130, 35687378260, 71374756520]

約数ペア:

[(1, 71374756520), (2, 35687378260), (4, 17843689130), (5, 14274951304), (8, 8921844565), (10, 7137475652), (20, 3568737826), (40, 1784368913), (41, 1740847720), (82, 870423860), (109, 654814280), (164, 435211930), (205, 348169544), (218, 327407140), (328, 217605965), (410, 174084772), (436, 163703570), (545, 130962856), (820, 87042386), (872, 81851785), (1090, 65481428), (1640, 43521193), (2180, 32740714), (4360, 16370357), (4469, 15971080), (8938, 7985540), (17876, 3992770), (22345, 3194216), (35752, 1996385), (44690, 1597108), (89380, 798554), (178760, 399277)]