71594920

素因数分解:

$2^3\times 5^1\times {\mathrm{653}}^1\times {\mathrm{2741}}^1$

素因数の和:3405

約数の個数: 32

約数和(自身を含む): 161394120

約数和(自身を除く): 89799200

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 653, 1306, 2612, 2741, 3265, 5224, 5482, 6530, 10964, 13060, 13705, 21928, 26120, 27410, 54820, 109640, 1789873, 3579746, 7159492, 8949365, 14318984, 17898730, 35797460, 71594920]

約数ペア:

[(1, 71594920), (2, 35797460), (4, 17898730), (5, 14318984), (8, 8949365), (10, 7159492), (20, 3579746), (40, 1789873), (653, 109640), (1306, 54820), (2612, 27410), (2741, 26120), (3265, 21928), (5224, 13705), (5482, 13060), (6530, 10964)]