68463440

素因数分解:

$2^4\times 5^1\times {\mathrm{41}}^1\times {\mathrm{20873}}^1$

素因数の和:20927

約数の個数: 40

約数和(自身を含む): 163067688

約数和(自身を除く): 94604248

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 41, 80, 82, 164, 205, 328, 410, 656, 820, 1640, 3280, 20873, 41746, 83492, 104365, 166984, 208730, 333968, 417460, 834920, 855793, 1669840, 1711586, 3423172, 4278965, 6846344, 8557930, 13692688, 17115860, 34231720, 68463440]

約数ペア:

[(1, 68463440), (2, 34231720), (4, 17115860), (5, 13692688), (8, 8557930), (10, 6846344), (16, 4278965), (20, 3423172), (40, 1711586), (41, 1669840), (80, 855793), (82, 834920), (164, 417460), (205, 333968), (328, 208730), (410, 166984), (656, 104365), (820, 83492), (1640, 41746), (3280, 20873)]