68694160

素因数分解:

$2^4\times 5^1\times {\mathrm{659}}^1\times {\mathrm{1303}}^1$

素因数の和:1975

約数の個数: 40

約数和(自身を含む): 160079040

約数和(自身を除く): 91384880

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 659, 1303, 1318, 2606, 2636, 3295, 5212, 5272, 6515, 6590, 10424, 10544, 13030, 13180, 20848, 26060, 26360, 52120, 52720, 104240, 858677, 1717354, 3434708, 4293385, 6869416, 8586770, 13738832, 17173540, 34347080, 68694160]

約数ペア:

[(1, 68694160), (2, 34347080), (4, 17173540), (5, 13738832), (8, 8586770), (10, 6869416), (16, 4293385), (20, 3434708), (40, 1717354), (80, 858677), (659, 104240), (1303, 52720), (1318, 52120), (2606, 26360), (2636, 26060), (3295, 20848), (5212, 13180), (5272, 13030), (6515, 10544), (6590, 10424)]