71393440

素因数分解:

$2^5\times 5^1\times {\mathrm{137}}^1\times {\mathrm{3257}}^1$

素因数の和:3409

約数の個数: 48

約数和(自身を含む): 169950312

約数和(自身を除く): 98556872

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 137, 160, 274, 548, 685, 1096, 1370, 2192, 2740, 3257, 4384, 5480, 6514, 10960, 13028, 16285, 21920, 26056, 32570, 52112, 65140, 104224, 130280, 260560, 446209, 521120, 892418, 1784836, 2231045, 3569672, 4462090, 7139344, 8924180, 14278688, 17848360, 35696720, 71393440]

約数ペア:

[(1, 71393440), (2, 35696720), (4, 17848360), (5, 14278688), (8, 8924180), (10, 7139344), (16, 4462090), (20, 3569672), (32, 2231045), (40, 1784836), (80, 892418), (137, 521120), (160, 446209), (274, 260560), (548, 130280), (685, 104224), (1096, 65140), (1370, 52112), (2192, 32570), (2740, 26056), (3257, 21920), (4384, 16285), (5480, 13028), (6514, 10960)]