17771867980

素因数分解:

$2^2\times 5^1\times {\mathrm{8059}}^1\times {\mathrm{110261}}^1$

素因数の和:118329

約数の個数: 24

約数和(自身を含む): 37325892240

約数和(自身を除く): 19554024260

約数列:

[1, 2, 4, 5, 10, 20, 8059, 16118, 32236, 40295, 80590, 110261, 161180, 220522, 441044, 551305, 1102610, 2205220, 888593399, 1777186798, 3554373596, 4442966995, 8885933990, 17771867980]

約数ペア:

[(1, 17771867980), (2, 8885933990), (4, 4442966995), (5, 3554373596), (10, 1777186798), (20, 888593399), (8059, 2205220), (16118, 1102610), (32236, 551305), (40295, 441044), (80590, 220522), (110261, 161180)]