85113380

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{5449}}^1$

素因数の和:5540

約数の個数: 48

約数和(自身を含む): 197769600

約数和(自身を除く): 112656220

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 71, 110, 142, 220, 284, 355, 710, 781, 1420, 1562, 3124, 3905, 5449, 7810, 10898, 15620, 21796, 27245, 54490, 59939, 108980, 119878, 239756, 299695, 386879, 599390, 773758, 1198780, 1547516, 1934395, 3868790, 4255669, 7737580, 8511338, 17022676, 21278345, 42556690, 85113380]

約数ペア:

[(1, 85113380), (2, 42556690), (4, 21278345), (5, 17022676), (10, 8511338), (11, 7737580), (20, 4255669), (22, 3868790), (44, 1934395), (55, 1547516), (71, 1198780), (110, 773758), (142, 599390), (220, 386879), (284, 299695), (355, 239756), (710, 119878), (781, 108980), (1420, 59939), (1562, 54490), (3124, 27245), (3905, 21796), (5449, 15620), (7810, 10898)]