40139710

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{131}}^1\times {\mathrm{2357}}^1$

素因数の和:2508

約数の個数: 32

約数和(自身を含む): 78436512

約数和(自身を除く): 38296802

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 131, 262, 655, 1310, 1703, 2357, 3406, 4714, 8515, 11785, 17030, 23570, 30641, 61282, 153205, 306410, 308767, 617534, 1543835, 3087670, 4013971, 8027942, 20069855, 40139710]

約数ペア:

[(1, 40139710), (2, 20069855), (5, 8027942), (10, 4013971), (13, 3087670), (26, 1543835), (65, 617534), (130, 308767), (131, 306410), (262, 153205), (655, 61282), (1310, 30641), (1703, 23570), (2357, 17030), (3406, 11785), (4714, 8515)]