81190120

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{184523}}^1$

素因数の和:184545

約数の個数: 32

約数和(自身を含む): 199285920

約数和(自身を除く): 118095800

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 184523, 369046, 738092, 922615, 1476184, 1845230, 2029753, 3690460, 4059506, 7380920, 8119012, 10148765, 16238024, 20297530, 40595060, 81190120]

約数ペア:

[(1, 81190120), (2, 40595060), (4, 20297530), (5, 16238024), (8, 10148765), (10, 8119012), (11, 7380920), (20, 4059506), (22, 3690460), (40, 2029753), (44, 1845230), (55, 1476184), (88, 922615), (110, 738092), (220, 369046), (440, 184523)]