31148240

素因数分解:

$2^4\times 5^1\times {\mathrm{83}}^1\times {\mathrm{4691}}^1$

素因数の和:4787

約数の個数: 40

約数和(自身を含む): 73307808

約数和(自身を除く): 42159568

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 83, 166, 332, 415, 664, 830, 1328, 1660, 3320, 4691, 6640, 9382, 18764, 23455, 37528, 46910, 75056, 93820, 187640, 375280, 389353, 778706, 1557412, 1946765, 3114824, 3893530, 6229648, 7787060, 15574120, 31148240]

約数ペア:

[(1, 31148240), (2, 15574120), (4, 7787060), (5, 6229648), (8, 3893530), (10, 3114824), (16, 1946765), (20, 1557412), (40, 778706), (80, 389353), (83, 375280), (166, 187640), (332, 93820), (415, 75056), (664, 46910), (830, 37528), (1328, 23455), (1660, 18764), (3320, 9382), (4691, 6640)]