15141640

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{12211}}^1$

素因数の和:12253

約数の個数: 32

約数和(自身を含む): 35170560

約数和(自身を除く): 20028920

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 12211, 24422, 48844, 61055, 97688, 122110, 244220, 378541, 488440, 757082, 1514164, 1892705, 3028328, 3785410, 7570820, 15141640]

約数ペア:

[(1, 15141640), (2, 7570820), (4, 3785410), (5, 3028328), (8, 1892705), (10, 1514164), (20, 757082), (31, 488440), (40, 378541), (62, 244220), (124, 122110), (155, 97688), (248, 61055), (310, 48844), (620, 24422), (1240, 12211)]