51642760

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{5227}}^1$

素因数の和:5270

約数の個数: 64

約数和(自身を含む): 131745600

約数和(自身を除く): 80102840

約数列:

[1, 2, 4, 5, 8, 10, 13, 19, 20, 26, 38, 40, 52, 65, 76, 95, 104, 130, 152, 190, 247, 260, 380, 494, 520, 760, 988, 1235, 1976, 2470, 4940, 5227, 9880, 10454, 20908, 26135, 41816, 52270, 67951, 99313, 104540, 135902, 198626, 209080, 271804, 339755, 397252, 496565, 543608, 679510, 794504, 993130, 1291069, 1359020, 1986260, 2582138, 2718040, 3972520, 5164276, 6455345, 10328552, 12910690, 25821380, 51642760]

約数ペア:

[(1, 51642760), (2, 25821380), (4, 12910690), (5, 10328552), (8, 6455345), (10, 5164276), (13, 3972520), (19, 2718040), (20, 2582138), (26, 1986260), (38, 1359020), (40, 1291069), (52, 993130), (65, 794504), (76, 679510), (95, 543608), (104, 496565), (130, 397252), (152, 339755), (190, 271804), (247, 209080), (260, 198626), (380, 135902), (494, 104540), (520, 99313), (760, 67951), (988, 52270), (1235, 41816), (1976, 26135), (2470, 20908), (4940, 10454), (5227, 9880)]