25958320

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19087}}^1$

素因数の和:19117

約数の個数: 40

約数和(自身を含む): 63906624

約数和(自身を除く): 37948304

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 272, 340, 680, 1360, 19087, 38174, 76348, 95435, 152696, 190870, 305392, 324479, 381740, 648958, 763480, 1297916, 1526960, 1622395, 2595832, 3244790, 5191664, 6489580, 12979160, 25958320]

約数ペア:

[(1, 25958320), (2, 12979160), (4, 6489580), (5, 5191664), (8, 3244790), (10, 2595832), (16, 1622395), (17, 1526960), (20, 1297916), (34, 763480), (40, 648958), (68, 381740), (80, 324479), (85, 305392), (136, 190870), (170, 152696), (272, 95435), (340, 76348), (680, 38174), (1360, 19087)]