31001920

素因数分解:

$2^6\times 5^1\times {\mathrm{19}}^1\times {\mathrm{5099}}^1$

素因数の和:5135

約数の個数: 56

約数和(自身を含む): 77724000

約数和(自身を除く): 46722080

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 64, 76, 80, 95, 152, 160, 190, 304, 320, 380, 608, 760, 1216, 1520, 3040, 5099, 6080, 10198, 20396, 25495, 40792, 50990, 81584, 96881, 101980, 163168, 193762, 203960, 326336, 387524, 407920, 484405, 775048, 815840, 968810, 1550096, 1631680, 1937620, 3100192, 3875240, 6200384, 7750480, 15500960, 31001920]

約数ペア:

[(1, 31001920), (2, 15500960), (4, 7750480), (5, 6200384), (8, 3875240), (10, 3100192), (16, 1937620), (19, 1631680), (20, 1550096), (32, 968810), (38, 815840), (40, 775048), (64, 484405), (76, 407920), (80, 387524), (95, 326336), (152, 203960), (160, 193762), (190, 163168), (304, 101980), (320, 96881), (380, 81584), (608, 50990), (760, 40792), (1216, 25495), (1520, 20396), (3040, 10198), (5099, 6080)]