25618840

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{2593}}^1$

素因数の和:2636

約数の個数: 64

約数和(自身を含む): 65368800

約数和(自身を除く): 39749960

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, 2593, 4940, 5186, 9880, 10372, 12965, 20744, 25930, 33709, 49267, 51860, 67418, 98534, 103720, 134836, 168545, 197068, 246335, 269672, 337090, 394136, 492670, 640471, 674180, 985340, 1280942, 1348360, 1970680, 2561884, 3202355, 5123768, 6404710, 12809420, 25618840]

約数ペア:

[(1, 25618840), (2, 12809420), (4, 6404710), (5, 5123768), (8, 3202355), (10, 2561884), (13, 1970680), (19, 1348360), (20, 1280942), (26, 985340), (38, 674180), (40, 640471), (52, 492670), (65, 394136), (76, 337090), (95, 269672), (104, 246335), (130, 197068), (152, 168545), (190, 134836), (247, 103720), (260, 98534), (380, 67418), (494, 51860), (520, 49267), (760, 33709), (988, 25930), (1235, 20744), (1976, 12965), (2470, 10372), (2593, 9880), (4940, 5186)]