40311728

素因数分解:

$2^4\times {\mathrm{61}}^1\times {\mathrm{103}}^1\times {\mathrm{401}}^1$

素因数の和:573

約数の個数: 40

約数和(自身を含む): 80354976

約数和(自身を除く): 40043248

約数列:

[1, 2, 4, 8, 16, 61, 103, 122, 206, 244, 401, 412, 488, 802, 824, 976, 1604, 1648, 3208, 6283, 6416, 12566, 24461, 25132, 41303, 48922, 50264, 82606, 97844, 100528, 165212, 195688, 330424, 391376, 660848, 2519483, 5038966, 10077932, 20155864, 40311728]

約数ペア:

[(1, 40311728), (2, 20155864), (4, 10077932), (8, 5038966), (16, 2519483), (61, 660848), (103, 391376), (122, 330424), (206, 195688), (244, 165212), (401, 100528), (412, 97844), (488, 82606), (802, 50264), (824, 48922), (976, 41303), (1604, 25132), (1648, 24461), (3208, 12566), (6283, 6416)]