126980030

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{157}}^1\times {\mathrm{2609}}^1$

素因数の和:2804

約数の個数: 32

約数和(自身を含む): 237530880

約数和(自身を除く): 110550850

約数列:

[1, 2, 5, 10, 31, 62, 155, 157, 310, 314, 785, 1570, 2609, 4867, 5218, 9734, 13045, 24335, 26090, 48670, 80879, 161758, 404395, 409613, 808790, 819226, 2048065, 4096130, 12698003, 25396006, 63490015, 126980030]

約数ペア:

[(1, 126980030), (2, 63490015), (5, 25396006), (10, 12698003), (31, 4096130), (62, 2048065), (155, 819226), (157, 808790), (310, 409613), (314, 404395), (785, 161758), (1570, 80879), (2609, 48670), (4867, 26090), (5218, 24335), (9734, 13045)]