16515620

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{1831}}^1$

素因数の和:1892

約数の個数: 48

約数和(自身を含む): 38779776

約数和(自身を除く): 22264156

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 41, 44, 55, 82, 110, 164, 205, 220, 410, 451, 820, 902, 1804, 1831, 2255, 3662, 4510, 7324, 9020, 9155, 18310, 20141, 36620, 40282, 75071, 80564, 100705, 150142, 201410, 300284, 375355, 402820, 750710, 825781, 1501420, 1651562, 3303124, 4128905, 8257810, 16515620]

約数ペア:

[(1, 16515620), (2, 8257810), (4, 4128905), (5, 3303124), (10, 1651562), (11, 1501420), (20, 825781), (22, 750710), (41, 402820), (44, 375355), (55, 300284), (82, 201410), (110, 150142), (164, 100705), (205, 80564), (220, 75071), (410, 40282), (451, 36620), (820, 20141), (902, 18310), (1804, 9155), (1831, 9020), (2255, 7324), (3662, 4510)]