55215980

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{45259}}^1$

素因数の和:45329

約数の個数: 24

約数和(自身を含む): 117857040

約数和(自身を除く): 62641060

約数列:

[1, 2, 4, 5, 10, 20, 61, 122, 244, 305, 610, 1220, 45259, 90518, 181036, 226295, 452590, 905180, 2760799, 5521598, 11043196, 13803995, 27607990, 55215980]

約数ペア:

[(1, 55215980), (2, 27607990), (4, 13803995), (5, 11043196), (10, 5521598), (20, 2760799), (61, 905180), (122, 452590), (244, 226295), (305, 181036), (610, 90518), (1220, 45259)]