20552184575

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{127}}^1\times {\mathrm{359}}^1$

素因数の和:601

約数の個数: 96

約数和(自身を含む): 29598105600

約数和(自身を除く): 9045921025

約数列:

[1, 5, 13, 19, 25, 65, 73, 95, 127, 247, 325, 359, 365, 475, 635, 949, 1235, 1387, 1651, 1795, 1825, 2413, 3175, 4667, 4745, 6175, 6821, 6935, 8255, 8975, 9271, 12065, 18031, 23335, 23725, 26207, 31369, 34105, 34675, 41275, 45593, 46355, 60325, 88673, 90155, 116675, 120523, 131035, 156845, 170525, 176149, 227965, 231775, 340691, 443365, 450775, 497933, 592709, 602615, 655175, 784225, 866267, 880745, 1139825, 1703455, 2216825, 2289937, 2489665, 2963545, 3013075, 3328289, 4331335, 4403725, 6473129, 8517275, 11261471, 11449685, 12448325, 14817725, 16641445, 21656675, 32365645, 43267757, 56307355, 57248425, 63237491, 83207225, 161828225, 216338785, 281536775, 316187455, 822087383, 1081693925, 1580937275, 4110436915, 20552184575]

約数ペア:

[(1, 20552184575), (5, 4110436915), (13, 1580937275), (19, 1081693925), (25, 822087383), (65, 316187455), (73, 281536775), (95, 216338785), (127, 161828225), (247, 83207225), (325, 63237491), (359, 57248425), (365, 56307355), (475, 43267757), (635, 32365645), (949, 21656675), (1235, 16641445), (1387, 14817725), (1651, 12448325), (1795, 11449685), (1825, 11261471), (2413, 8517275), (3175, 6473129), (4667, 4403725), (4745, 4331335), (6175, 3328289), (6821, 3013075), (6935, 2963545), (8255, 2489665), (8975, 2289937), (9271, 2216825), (12065, 1703455), (18031, 1139825), (23335, 880745), (23725, 866267), (26207, 784225), (31369, 655175), (34105, 602615), (34675, 592709), (41275, 497933), (45593, 450775), (46355, 443365), (60325, 340691), (88673, 231775), (90155, 227965), (116675, 176149), (120523, 170525), (131035, 156845)]