28901920

素因数分解:

$2^5\times 5^1\times {\mathrm{31}}^1\times {\mathrm{5827}}^1$

素因数の和:5873

約数の個数: 48

約数和(自身を含む): 70495488

約数和(自身を除く): 41593568

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 80, 124, 155, 160, 248, 310, 496, 620, 992, 1240, 2480, 4960, 5827, 11654, 23308, 29135, 46616, 58270, 93232, 116540, 180637, 186464, 233080, 361274, 466160, 722548, 903185, 932320, 1445096, 1806370, 2890192, 3612740, 5780384, 7225480, 14450960, 28901920]

約数ペア:

[(1, 28901920), (2, 14450960), (4, 7225480), (5, 5780384), (8, 3612740), (10, 2890192), (16, 1806370), (20, 1445096), (31, 932320), (32, 903185), (40, 722548), (62, 466160), (80, 361274), (124, 233080), (155, 186464), (160, 180637), (248, 116540), (310, 93232), (496, 58270), (620, 46616), (992, 29135), (1240, 23308), (2480, 11654), (4960, 5827)]