70880920

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{161093}}^1$

素因数の和:161115

約数の個数: 32

約数和(自身を含む): 173981520

約数和(自身を除く): 103100600

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 161093, 322186, 644372, 805465, 1288744, 1610930, 1772023, 3221860, 3544046, 6443720, 7088092, 8860115, 14176184, 17720230, 35440460, 70880920]

約数ペア:

[(1, 70880920), (2, 35440460), (4, 17720230), (5, 14176184), (8, 8860115), (10, 7088092), (11, 6443720), (20, 3544046), (22, 3221860), (40, 1772023), (44, 1610930), (55, 1288744), (88, 805465), (110, 644372), (220, 322186), (440, 161093)]