31360240

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23059}}^1$

素因数の和:23089

約数の個数: 40

約数和(自身を含む): 77204880

約数和(自身を除く): 45844640

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 272, 340, 680, 1360, 23059, 46118, 92236, 115295, 184472, 230590, 368944, 392003, 461180, 784006, 922360, 1568012, 1844720, 1960015, 3136024, 3920030, 6272048, 7840060, 15680120, 31360240]

約数ペア:

[(1, 31360240), (2, 15680120), (4, 7840060), (5, 6272048), (8, 3920030), (10, 3136024), (16, 1960015), (17, 1844720), (20, 1568012), (34, 922360), (40, 784006), (68, 461180), (80, 392003), (85, 368944), (136, 230590), (170, 184472), (272, 115295), (340, 92236), (680, 46118), (1360, 23059)]