45180020

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{72871}}^1$

素因数の和:72911

約数の個数: 24

約数和(自身を含む): 97939968

約数和(自身を除く): 52759948

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 72871, 145742, 291484, 364355, 728710, 1457420, 2259001, 4518002, 9036004, 11295005, 22590010, 45180020]

約数ペア:

[(1, 45180020), (2, 22590010), (4, 11295005), (5, 9036004), (10, 4518002), (20, 2259001), (31, 1457420), (62, 728710), (124, 364355), (155, 291484), (310, 145742), (620, 72871)]