38543320

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{149}}^1\times {\mathrm{223}}^1$

素因数の和:412

約数の個数: 64

約数和(自身を含む): 90720000

約数和(自身を除く): 52176680

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 58, 116, 145, 149, 223, 232, 290, 298, 446, 580, 596, 745, 892, 1115, 1160, 1192, 1490, 1784, 2230, 2980, 4321, 4460, 5960, 6467, 8642, 8920, 12934, 17284, 21605, 25868, 32335, 33227, 34568, 43210, 51736, 64670, 66454, 86420, 129340, 132908, 166135, 172840, 258680, 265816, 332270, 664540, 963583, 1329080, 1927166, 3854332, 4817915, 7708664, 9635830, 19271660, 38543320]

約数ペア:

[(1, 38543320), (2, 19271660), (4, 9635830), (5, 7708664), (8, 4817915), (10, 3854332), (20, 1927166), (29, 1329080), (40, 963583), (58, 664540), (116, 332270), (145, 265816), (149, 258680), (223, 172840), (232, 166135), (290, 132908), (298, 129340), (446, 86420), (580, 66454), (596, 64670), (745, 51736), (892, 43210), (1115, 34568), (1160, 33227), (1192, 32335), (1490, 25868), (1784, 21605), (2230, 17284), (2980, 12934), (4321, 8920), (4460, 8642), (5960, 6467)]