253339840

素因数分解:

$2^6\times 5^1\times {\mathrm{13}}^1\times {\mathrm{60899}}^1$

素因数の和:60929

約数の個数: 56

約数和(自身を含む): 649681200

約数和(自身を除く): 396341360

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 130, 160, 208, 260, 320, 416, 520, 832, 1040, 2080, 4160, 60899, 121798, 243596, 304495, 487192, 608990, 791687, 974384, 1217980, 1583374, 1948768, 2435960, 3166748, 3897536, 3958435, 4871920, 6333496, 7916870, 9743840, 12666992, 15833740, 19487680, 25333984, 31667480, 50667968, 63334960, 126669920, 253339840]

約数ペア:

[(1, 253339840), (2, 126669920), (4, 63334960), (5, 50667968), (8, 31667480), (10, 25333984), (13, 19487680), (16, 15833740), (20, 12666992), (26, 9743840), (32, 7916870), (40, 6333496), (52, 4871920), (64, 3958435), (65, 3897536), (80, 3166748), (104, 2435960), (130, 1948768), (160, 1583374), (208, 1217980), (260, 974384), (320, 791687), (416, 608990), (520, 487192), (832, 304495), (1040, 243596), (2080, 121798), (4160, 60899)]