53145320

素因数分解:

$2^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{149}}^1\times {\mathrm{241}}^1$

素因数の和:438

約数の個数: 64

約数和(自身を含む): 124146000

約数和(自身を除く): 71000680

約数列:

[1, 2, 4, 5, 8, 10, 20, 37, 40, 74, 148, 149, 185, 241, 296, 298, 370, 482, 596, 740, 745, 964, 1192, 1205, 1480, 1490, 1928, 2410, 2980, 4820, 5513, 5960, 8917, 9640, 11026, 17834, 22052, 27565, 35668, 35909, 44104, 44585, 55130, 71336, 71818, 89170, 110260, 143636, 178340, 179545, 220520, 287272, 356680, 359090, 718180, 1328633, 1436360, 2657266, 5314532, 6643165, 10629064, 13286330, 26572660, 53145320]

約数ペア:

[(1, 53145320), (2, 26572660), (4, 13286330), (5, 10629064), (8, 6643165), (10, 5314532), (20, 2657266), (37, 1436360), (40, 1328633), (74, 718180), (148, 359090), (149, 356680), (185, 287272), (241, 220520), (296, 179545), (298, 178340), (370, 143636), (482, 110260), (596, 89170), (740, 71818), (745, 71336), (964, 55130), (1192, 44585), (1205, 44104), (1480, 35909), (1490, 35668), (1928, 27565), (2410, 22052), (2980, 17834), (4820, 11026), (5513, 9640), (5960, 8917)]