1640197100

素因数分解:

$2^2\times 5^2\times {\mathrm{4027}}^1\times {\mathrm{4073}}^1$

素因数の和:8114

約数の個数: 36

約数和(自身を含む): 3560985624

約数和(自身を除く): 1920788524

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 4027, 4073, 8054, 8146, 16108, 16292, 20135, 20365, 40270, 40730, 80540, 81460, 100675, 101825, 201350, 203650, 402700, 407300, 16401971, 32803942, 65607884, 82009855, 164019710, 328039420, 410049275, 820098550, 1640197100]

約数ペア:

[(1, 1640197100), (2, 820098550), (4, 410049275), (5, 328039420), (10, 164019710), (20, 82009855), (25, 65607884), (50, 32803942), (100, 16401971), (4027, 407300), (4073, 402700), (8054, 203650), (8146, 201350), (16108, 101825), (16292, 100675), (20135, 81460), (20365, 80540), (40270, 40730)]