126691240

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{12823}}^1$

素因数の和:12866

約数の個数: 64

約数和(自身を含む): 323164800

約数和(自身を除く): 196473560

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, 9880, 12823, 25646, 51292, 64115, 102584, 128230, 166699, 243637, 256460, 333398, 487274, 512920, 666796, 833495, 974548, 1218185, 1333592, 1666990, 1949096, 2436370, 3167281, 3333980, 4872740, 6334562, 6667960, 9745480, 12669124, 15836405, 25338248, 31672810, 63345620, 126691240]

約数ペア:

[(1, 126691240), (2, 63345620), (4, 31672810), (5, 25338248), (8, 15836405), (10, 12669124), (13, 9745480), (19, 6667960), (20, 6334562), (26, 4872740), (38, 3333980), (40, 3167281), (52, 2436370), (65, 1949096), (76, 1666990), (95, 1333592), (104, 1218185), (130, 974548), (152, 833495), (190, 666796), (247, 512920), (260, 487274), (380, 333398), (494, 256460), (520, 243637), (760, 166699), (988, 128230), (1235, 102584), (1976, 64115), (2470, 51292), (4940, 25646), (9880, 12823)]