71504560

素因数分解:

$2^4\times 5^1\times {\mathrm{523}}^1\times {\mathrm{1709}}^1$

素因数の和:2245

約数の個数: 40

約数和(自身を含む): 166663440

約数和(自身を除く): 95158880

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 523, 1046, 1709, 2092, 2615, 3418, 4184, 5230, 6836, 8368, 8545, 10460, 13672, 17090, 20920, 27344, 34180, 41840, 68360, 136720, 893807, 1787614, 3575228, 4469035, 7150456, 8938070, 14300912, 17876140, 35752280, 71504560]

約数ペア:

[(1, 71504560), (2, 35752280), (4, 17876140), (5, 14300912), (8, 8938070), (10, 7150456), (16, 4469035), (20, 3575228), (40, 1787614), (80, 893807), (523, 136720), (1046, 68360), (1709, 41840), (2092, 34180), (2615, 27344), (3418, 20920), (4184, 17090), (5230, 13672), (6836, 10460), (8368, 8545)]