20196198100

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{347}}^1\times {\mathrm{44771}}^1$

素因数の和:45145

約数の個数: 72

約数和(自身を含む): 47334032928

約数和(自身を除く): 27137834828

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 100, 130, 260, 325, 347, 650, 694, 1300, 1388, 1735, 3470, 4511, 6940, 8675, 9022, 17350, 18044, 22555, 34700, 44771, 45110, 89542, 90220, 112775, 179084, 223855, 225550, 447710, 451100, 582023, 895420, 1119275, 1164046, 2238550, 2328092, 2910115, 4477100, 5820230, 11640460, 14550575, 15535537, 29101150, 31071074, 58202300, 62142148, 77677685, 155355370, 201961981, 310710740, 388388425, 403923962, 776776850, 807847924, 1009809905, 1553553700, 2019619810, 4039239620, 5049049525, 10098099050, 20196198100]

約数ペア:

[(1, 20196198100), (2, 10098099050), (4, 5049049525), (5, 4039239620), (10, 2019619810), (13, 1553553700), (20, 1009809905), (25, 807847924), (26, 776776850), (50, 403923962), (52, 388388425), (65, 310710740), (100, 201961981), (130, 155355370), (260, 77677685), (325, 62142148), (347, 58202300), (650, 31071074), (694, 29101150), (1300, 15535537), (1388, 14550575), (1735, 11640460), (3470, 5820230), (4511, 4477100), (6940, 2910115), (8675, 2328092), (9022, 2238550), (17350, 1164046), (18044, 1119275), (22555, 895420), (34700, 582023), (44771, 451100), (45110, 447710), (89542, 225550), (90220, 223855), (112775, 179084)]