15178840

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{12241}}^1$

素因数の和:12283

約数の個数: 32

約数和(自身を含む): 35256960

約数和(自身を除く): 20078120

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 12241, 24482, 48964, 61205, 97928, 122410, 244820, 379471, 489640, 758942, 1517884, 1897355, 3035768, 3794710, 7589420, 15178840]

約数ペア:

[(1, 15178840), (2, 7589420), (4, 3794710), (5, 3035768), (8, 1897355), (10, 1517884), (20, 758942), (31, 489640), (40, 379471), (62, 244820), (124, 122410), (155, 97928), (248, 61205), (310, 48964), (620, 24482), (1240, 12241)]