8989240

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{293}}^1$

素因数の和:376

約数の個数: 64

約数和(自身を含む): 22226400

約数和(自身を除く): 13237160

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 59, 65, 104, 118, 130, 236, 260, 293, 295, 472, 520, 586, 590, 767, 1172, 1180, 1465, 1534, 2344, 2360, 2930, 3068, 3809, 3835, 5860, 6136, 7618, 7670, 11720, 15236, 15340, 17287, 19045, 30472, 30680, 34574, 38090, 69148, 76180, 86435, 138296, 152360, 172870, 224731, 345740, 449462, 691480, 898924, 1123655, 1797848, 2247310, 4494620, 8989240]

約数ペア:

[(1, 8989240), (2, 4494620), (4, 2247310), (5, 1797848), (8, 1123655), (10, 898924), (13, 691480), (20, 449462), (26, 345740), (40, 224731), (52, 172870), (59, 152360), (65, 138296), (104, 86435), (118, 76180), (130, 69148), (236, 38090), (260, 34574), (293, 30680), (295, 30472), (472, 19045), (520, 17287), (586, 15340), (590, 15236), (767, 11720), (1172, 7670), (1180, 7618), (1465, 6136), (1534, 5860), (2344, 3835), (2360, 3809), (2930, 3068)]