42590990

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{2357}}^1$

素因数の和:2516

約数の個数: 32

約数和(自身を含む): 83190240

約数和(自身を除く): 40599250

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 139, 278, 695, 1390, 1807, 2357, 3614, 4714, 9035, 11785, 18070, 23570, 30641, 61282, 153205, 306410, 327623, 655246, 1638115, 3276230, 4259099, 8518198, 21295495, 42590990]

約数ペア:

[(1, 42590990), (2, 21295495), (5, 8518198), (10, 4259099), (13, 3276230), (26, 1638115), (65, 655246), (130, 327623), (139, 306410), (278, 153205), (695, 61282), (1390, 30641), (1807, 23570), (2357, 18070), (3614, 11785), (4714, 9035)]