17966213240

素因数分解:

$2^3\times 5^1\times {\mathrm{557}}^1\times {\mathrm{806383}}^1$

素因数の和:806951

約数の個数: 32

約数和(自身を含む): 40496604480

約数和(自身を除く): 22530391240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 557, 1114, 2228, 2785, 4456, 5570, 11140, 22280, 806383, 1612766, 3225532, 4031915, 6451064, 8063830, 16127660, 32255320, 449155331, 898310662, 1796621324, 2245776655, 3593242648, 4491553310, 8983106620, 17966213240]

約数ペア:

[(1, 17966213240), (2, 8983106620), (4, 4491553310), (5, 3593242648), (8, 2245776655), (10, 1796621324), (20, 898310662), (40, 449155331), (557, 32255320), (1114, 16127660), (2228, 8063830), (2785, 6451064), (4456, 4031915), (5570, 3225532), (11140, 1612766), (22280, 806383)]