20121124840

素因数分解:

$2^3\times 5^1\times {\mathrm{173}}^1\times {\mathrm{2907677}}^1$

素因数の和:2907861

約数の個数: 32

約数和(自身を含む): 45534237480

約数和(自身を除く): 25413112640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 173, 346, 692, 865, 1384, 1730, 3460, 6920, 2907677, 5815354, 11630708, 14538385, 23261416, 29076770, 58153540, 116307080, 503028121, 1006056242, 2012112484, 2515140605, 4024224968, 5030281210, 10060562420, 20121124840]

約数ペア:

[(1, 20121124840), (2, 10060562420), (4, 5030281210), (5, 4024224968), (8, 2515140605), (10, 2012112484), (20, 1006056242), (40, 503028121), (173, 116307080), (346, 58153540), (692, 29076770), (865, 23261416), (1384, 14538385), (1730, 11630708), (3460, 5815354), (6920, 2907677)]