127980400

素因数分解:

$2^4\times 5^2\times {\mathrm{31}}^1\times {\mathrm{10321}}^1$

素因数の和:10370

約数の個数: 60

約数和(自身を含む): 317422144

約数和(自身を除く): 189441744

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 31, 40, 50, 62, 80, 100, 124, 155, 200, 248, 310, 400, 496, 620, 775, 1240, 1550, 2480, 3100, 6200, 10321, 12400, 20642, 41284, 51605, 82568, 103210, 165136, 206420, 258025, 319951, 412840, 516050, 639902, 825680, 1032100, 1279804, 1599755, 2064200, 2559608, 3199510, 4128400, 5119216, 6399020, 7998775, 12798040, 15997550, 25596080, 31995100, 63990200, 127980400]

約数ペア:

[(1, 127980400), (2, 63990200), (4, 31995100), (5, 25596080), (8, 15997550), (10, 12798040), (16, 7998775), (20, 6399020), (25, 5119216), (31, 4128400), (40, 3199510), (50, 2559608), (62, 2064200), (80, 1599755), (100, 1279804), (124, 1032100), (155, 825680), (200, 639902), (248, 516050), (310, 412840), (400, 319951), (496, 258025), (620, 206420), (775, 165136), (1240, 103210), (1550, 82568), (2480, 51605), (3100, 41284), (6200, 20642), (10321, 12400)]