8170760

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{827}}^1$

素因数の和:870

約数の個数: 64

約数和(自身を含む): 20865600

約数和(自身を除く): 12694840

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, 827, 988, 1235, 1654, 1976, 2470, 3308, 4135, 4940, 6616, 8270, 9880, 10751, 15713, 16540, 21502, 31426, 33080, 43004, 53755, 62852, 78565, 86008, 107510, 125704, 157130, 204269, 215020, 314260, 408538, 430040, 628520, 817076, 1021345, 1634152, 2042690, 4085380, 8170760]

約数ペア:

[(1, 8170760), (2, 4085380), (4, 2042690), (5, 1634152), (8, 1021345), (10, 817076), (13, 628520), (19, 430040), (20, 408538), (26, 314260), (38, 215020), (40, 204269), (52, 157130), (65, 125704), (76, 107510), (95, 86008), (104, 78565), (130, 62852), (152, 53755), (190, 43004), (247, 33080), (260, 31426), (380, 21502), (494, 16540), (520, 15713), (760, 10751), (827, 9880), (988, 8270), (1235, 6616), (1654, 4940), (1976, 4135), (2470, 3308)]