13826840

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{8431}}^1$

素因数の和:8483

約数の個数: 32

約数和(自身を含む): 31872960

約数和(自身を除く): 18046120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 205, 328, 410, 820, 1640, 8431, 16862, 33724, 42155, 67448, 84310, 168620, 337240, 345671, 691342, 1382684, 1728355, 2765368, 3456710, 6913420, 13826840]

約数ペア:

[(1, 13826840), (2, 6913420), (4, 3456710), (5, 2765368), (8, 1728355), (10, 1382684), (20, 691342), (40, 345671), (41, 337240), (82, 168620), (164, 84310), (205, 67448), (328, 42155), (410, 33724), (820, 16862), (1640, 8431)]