23401520

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{17207}}^1$

素因数の和:17237

約数の個数: 40

約数和(自身を含む): 57612384

約数和(自身を除く): 34210864

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 272, 340, 680, 1360, 17207, 34414, 68828, 86035, 137656, 172070, 275312, 292519, 344140, 585038, 688280, 1170076, 1376560, 1462595, 2340152, 2925190, 4680304, 5850380, 11700760, 23401520]

約数ペア:

[(1, 23401520), (2, 11700760), (4, 5850380), (5, 4680304), (8, 2925190), (10, 2340152), (16, 1462595), (17, 1376560), (20, 1170076), (34, 688280), (40, 585038), (68, 344140), (80, 292519), (85, 275312), (136, 172070), (170, 137656), (272, 86035), (340, 68828), (680, 34414), (1360, 17207)]