54908440

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{44281}}^1$

素因数の和:44323

約数の個数: 32

約数和(自身を含む): 127532160

約数和(自身を除く): 72623720

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 44281, 88562, 177124, 221405, 354248, 442810, 885620, 1372711, 1771240, 2745422, 5490844, 6863555, 10981688, 13727110, 27454220, 54908440]

約数ペア:

[(1, 54908440), (2, 27454220), (4, 13727110), (5, 10981688), (8, 6863555), (10, 5490844), (20, 2745422), (31, 1771240), (40, 1372711), (62, 885620), (124, 442810), (155, 354248), (248, 221405), (310, 177124), (620, 88562), (1240, 44281)]