13904740

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{547}}^1$

素因数の和:628

約数の個数: 48

約数和(自身を含む): 30933504

約数和(自身を除く): 17028764

約数列:

[1, 2, 4, 5, 10, 20, 31, 41, 62, 82, 124, 155, 164, 205, 310, 410, 547, 620, 820, 1094, 1271, 2188, 2542, 2735, 5084, 5470, 6355, 10940, 12710, 16957, 22427, 25420, 33914, 44854, 67828, 84785, 89708, 112135, 169570, 224270, 339140, 448540, 695237, 1390474, 2780948, 3476185, 6952370, 13904740]

約数ペア:

[(1, 13904740), (2, 6952370), (4, 3476185), (5, 2780948), (10, 1390474), (20, 695237), (31, 448540), (41, 339140), (62, 224270), (82, 169570), (124, 112135), (155, 89708), (164, 84785), (205, 67828), (310, 44854), (410, 33914), (547, 25420), (620, 22427), (820, 16957), (1094, 12710), (1271, 10940), (2188, 6355), (2542, 5470), (2735, 5084)]