38996812840

素因数分解:

$2^3\times 5^1\times {\mathrm{17921}}^1\times {\mathrm{54401}}^1$

素因数の和:72333

約数の個数: 32

約数和(自身を含む): 87749337960

約数和(自身を除く): 48752525120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 17921, 35842, 54401, 71684, 89605, 108802, 143368, 179210, 217604, 272005, 358420, 435208, 544010, 716840, 1088020, 2176040, 974920321, 1949840642, 3899681284, 4874601605, 7799362568, 9749203210, 19498406420, 38996812840]

約数ペア:

[(1, 38996812840), (2, 19498406420), (4, 9749203210), (5, 7799362568), (8, 4874601605), (10, 3899681284), (20, 1949840642), (40, 974920321), (17921, 2176040), (35842, 1088020), (54401, 716840), (71684, 544010), (89605, 435208), (108802, 358420), (143368, 272005), (179210, 217604)]