68291240

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{41641}}^1$

素因数の和:41693

約数の個数: 32

約数和(自身を含む): 157406760

約数和(自身を除く): 89115520

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 205, 328, 410, 820, 1640, 41641, 83282, 166564, 208205, 333128, 416410, 832820, 1665640, 1707281, 3414562, 6829124, 8536405, 13658248, 17072810, 34145620, 68291240]

約数ペア:

[(1, 68291240), (2, 34145620), (4, 17072810), (5, 13658248), (8, 8536405), (10, 6829124), (20, 3414562), (40, 1707281), (41, 1665640), (82, 832820), (164, 416410), (205, 333128), (328, 208205), (410, 166564), (820, 83282), (1640, 41641)]