81710800

素因数分解:

$2^4\times 5^2\times {\mathrm{37}}^1\times {\mathrm{5521}}^1$

素因数の和:5576

約数の個数: 60

約数和(自身を含む): 201652396

約数和(自身を除く): 119941596

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 37, 40, 50, 74, 80, 100, 148, 185, 200, 296, 370, 400, 592, 740, 925, 1480, 1850, 2960, 3700, 5521, 7400, 11042, 14800, 22084, 27605, 44168, 55210, 88336, 110420, 138025, 204277, 220840, 276050, 408554, 441680, 552100, 817108, 1021385, 1104200, 1634216, 2042770, 2208400, 3268432, 4085540, 5106925, 8171080, 10213850, 16342160, 20427700, 40855400, 81710800]

約数ペア:

[(1, 81710800), (2, 40855400), (4, 20427700), (5, 16342160), (8, 10213850), (10, 8171080), (16, 5106925), (20, 4085540), (25, 3268432), (37, 2208400), (40, 2042770), (50, 1634216), (74, 1104200), (80, 1021385), (100, 817108), (148, 552100), (185, 441680), (200, 408554), (296, 276050), (370, 220840), (400, 204277), (592, 138025), (740, 110420), (925, 88336), (1480, 55210), (1850, 44168), (2960, 27605), (3700, 22084), (5521, 14800), (7400, 11042)]