173880680

素因数分解:

$2^3\times 5^1\times {\mathrm{677}}^1\times {\mathrm{6421}}^1$

素因数の和:7109

約数の個数: 32

約数和(自身を含む): 391870440

約数和(自身を除く): 217989760

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 677, 1354, 2708, 3385, 5416, 6421, 6770, 12842, 13540, 25684, 27080, 32105, 51368, 64210, 128420, 256840, 4347017, 8694034, 17388068, 21735085, 34776136, 43470170, 86940340, 173880680]

約数ペア:

[(1, 173880680), (2, 86940340), (4, 43470170), (5, 34776136), (8, 21735085), (10, 17388068), (20, 8694034), (40, 4347017), (677, 256840), (1354, 128420), (2708, 64210), (3385, 51368), (5416, 32105), (6421, 27080), (6770, 25684), (12842, 13540)]