28345160

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{22859}}^1$

素因数の和:22901

約数の個数: 32

約数和(自身を含む): 65836800

約数和(自身を除く): 37491640

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 22859, 45718, 91436, 114295, 182872, 228590, 457180, 708629, 914360, 1417258, 2834516, 3543145, 5669032, 7086290, 14172580, 28345160]

約数ペア:

[(1, 28345160), (2, 14172580), (4, 7086290), (5, 5669032), (8, 3543145), (10, 2834516), (20, 1417258), (31, 914360), (40, 708629), (62, 457180), (124, 228590), (155, 182872), (248, 114295), (310, 91436), (620, 45718), (1240, 22859)]