2100055960

素因数分解:

$2^3\times 5^1\times {\mathrm{829}}^1\times {\mathrm{63331}}^1$

素因数の和:64171

約数の個数: 32

約数和(自身を含む): 4730900400

約数和(自身を除く): 2630844440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 829, 1658, 3316, 4145, 6632, 8290, 16580, 33160, 63331, 126662, 253324, 316655, 506648, 633310, 1266620, 2533240, 52501399, 105002798, 210005596, 262506995, 420011192, 525013990, 1050027980, 2100055960]

約数ペア:

[(1, 2100055960), (2, 1050027980), (4, 525013990), (5, 420011192), (8, 262506995), (10, 210005596), (20, 105002798), (40, 52501399), (829, 2533240), (1658, 1266620), (3316, 633310), (4145, 506648), (6632, 316655), (8290, 253324), (16580, 126662), (33160, 63331)]