31943920

素因数分解:

$2^4\times 5^1\times {\mathrm{41}}^1\times {\mathrm{9739}}^1$

素因数の和:9793

約数の個数: 40

約数和(自身を含む): 76088880

約数和(自身を除く): 44144960

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 41, 80, 82, 164, 205, 328, 410, 656, 820, 1640, 3280, 9739, 19478, 38956, 48695, 77912, 97390, 155824, 194780, 389560, 399299, 779120, 798598, 1597196, 1996495, 3194392, 3992990, 6388784, 7985980, 15971960, 31943920]

約数ペア:

[(1, 31943920), (2, 15971960), (4, 7985980), (5, 6388784), (8, 3992990), (10, 3194392), (16, 1996495), (20, 1597196), (40, 798598), (41, 779120), (80, 399299), (82, 389560), (164, 194780), (205, 155824), (328, 97390), (410, 77912), (656, 48695), (820, 38956), (1640, 19478), (3280, 9739)]