38990840

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{131}}^1\times {\mathrm{1063}}^1$

素因数の和:1212

約数の個数: 64

約数和(自身を含む): 101122560

約数和(自身を除く): 62131720

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 131, 140, 262, 280, 524, 655, 917, 1048, 1063, 1310, 1834, 2126, 2620, 3668, 4252, 4585, 5240, 5315, 7336, 7441, 8504, 9170, 10630, 14882, 18340, 21260, 29764, 36680, 37205, 42520, 59528, 74410, 139253, 148820, 278506, 297640, 557012, 696265, 974771, 1114024, 1392530, 1949542, 2785060, 3899084, 4873855, 5570120, 7798168, 9747710, 19495420, 38990840]

約数ペア:

[(1, 38990840), (2, 19495420), (4, 9747710), (5, 7798168), (7, 5570120), (8, 4873855), (10, 3899084), (14, 2785060), (20, 1949542), (28, 1392530), (35, 1114024), (40, 974771), (56, 696265), (70, 557012), (131, 297640), (140, 278506), (262, 148820), (280, 139253), (524, 74410), (655, 59528), (917, 42520), (1048, 37205), (1063, 36680), (1310, 29764), (1834, 21260), (2126, 18340), (2620, 14882), (3668, 10630), (4252, 9170), (4585, 8504), (5240, 7441), (5315, 7336)]