28360040

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{22871}}^1$

素因数の和:22913

約数の個数: 32

約数和(自身を含む): 65871360

約数和(自身を除く): 37511320

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 22871, 45742, 91484, 114355, 182968, 228710, 457420, 709001, 914840, 1418002, 2836004, 3545005, 5672008, 7090010, 14180020, 28360040]

約数ペア:

[(1, 28360040), (2, 14180020), (4, 7090010), (5, 5672008), (8, 3545005), (10, 2836004), (20, 1418002), (31, 914840), (40, 709001), (62, 457420), (124, 228710), (155, 182968), (248, 114355), (310, 91484), (620, 45742), (1240, 22871)]