67021880

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{40867}}^1$

素因数の和:40919

約数の個数: 32

約数和(自身を含む): 154481040

約数和(自身を除く): 87459160

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 205, 328, 410, 820, 1640, 40867, 81734, 163468, 204335, 326936, 408670, 817340, 1634680, 1675547, 3351094, 6702188, 8377735, 13404376, 16755470, 33510940, 67021880]

約数ペア:

[(1, 67021880), (2, 33510940), (4, 16755470), (5, 13404376), (8, 8377735), (10, 6702188), (20, 3351094), (40, 1675547), (41, 1634680), (82, 817340), (164, 408670), (205, 326936), (328, 204335), (410, 163468), (820, 81734), (1640, 40867)]