512366920

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{51859}}^1$

素因数の和:51902

約数の個数: 64

約数和(自身を含む): 1306872000

約数和(自身を除く): 794505080

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, 51859, 103718, 207436, 259295, 414872, 518590, 674167, 985321, 1037180, 1348334, 1970642, 2074360, 2696668, 3370835, 3941284, 4926605, 5393336, 6741670, 7882568, 9853210, 12809173, 13483340, 19706420, 25618346, 26966680, 39412840, 51236692, 64045865, 102473384, 128091730, 256183460, 512366920]

約数ペア:

[(1, 512366920), (2, 256183460), (4, 128091730), (5, 102473384), (8, 64045865), (10, 51236692), (13, 39412840), (19, 26966680), (20, 25618346), (26, 19706420), (38, 13483340), (40, 12809173), (52, 9853210), (65, 7882568), (76, 6741670), (95, 5393336), (104, 4926605), (130, 3941284), (152, 3370835), (190, 2696668), (247, 2074360), (260, 1970642), (380, 1348334), (494, 1037180), (520, 985321), (760, 674167), (988, 518590), (1235, 414872), (1976, 259295), (2470, 207436), (4940, 103718), (9880, 51859)]