20167557160

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{401}}^1\times {\mathrm{40559}}^1$

素因数の和:41002

約数の個数: 64

約数和(自身を含む): 46958745600

約数和(自身を除く): 26791188440

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 401, 620, 802, 1240, 1604, 2005, 3208, 4010, 8020, 12431, 16040, 24862, 40559, 49724, 62155, 81118, 99448, 124310, 162236, 202795, 248620, 324472, 405590, 497240, 811180, 1257329, 1622360, 2514658, 5029316, 6286645, 10058632, 12573290, 16264159, 25146580, 32528318, 50293160, 65056636, 81320795, 130113272, 162641590, 325283180, 504188929, 650566360, 1008377858, 2016755716, 2520944645, 4033511432, 5041889290, 10083778580, 20167557160]

約数ペア:

[(1, 20167557160), (2, 10083778580), (4, 5041889290), (5, 4033511432), (8, 2520944645), (10, 2016755716), (20, 1008377858), (31, 650566360), (40, 504188929), (62, 325283180), (124, 162641590), (155, 130113272), (248, 81320795), (310, 65056636), (401, 50293160), (620, 32528318), (802, 25146580), (1240, 16264159), (1604, 12573290), (2005, 10058632), (3208, 6286645), (4010, 5029316), (8020, 2514658), (12431, 1622360), (16040, 1257329), (24862, 811180), (40559, 497240), (49724, 405590), (62155, 324472), (81118, 248620), (99448, 202795), (124310, 162236)]