138973040

素因数分解:

$2^4\times 5^1\times {\mathrm{211}}^1\times {\mathrm{8233}}^1$

素因数の和:8457

約数の個数: 40

約数和(自身を含む): 324683088

約数和(自身を除く): 185710048

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 211, 422, 844, 1055, 1688, 2110, 3376, 4220, 8233, 8440, 16466, 16880, 32932, 41165, 65864, 82330, 131728, 164660, 329320, 658640, 1737163, 3474326, 6948652, 8685815, 13897304, 17371630, 27794608, 34743260, 69486520, 138973040]

約数ペア:

[(1, 138973040), (2, 69486520), (4, 34743260), (5, 27794608), (8, 17371630), (10, 13897304), (16, 8685815), (20, 6948652), (40, 3474326), (80, 1737163), (211, 658640), (422, 329320), (844, 164660), (1055, 131728), (1688, 82330), (2110, 65864), (3376, 41165), (4220, 32932), (8233, 16880), (8440, 16466)]