13761220

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{881}}^1$

素因数の和:972

約数の個数: 48

約数和(自身を含む): 32006016

約数和(自身を除く): 18244796

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 71, 110, 142, 220, 284, 355, 710, 781, 881, 1420, 1562, 1762, 3124, 3524, 3905, 4405, 7810, 8810, 9691, 15620, 17620, 19382, 38764, 48455, 62551, 96910, 125102, 193820, 250204, 312755, 625510, 688061, 1251020, 1376122, 2752244, 3440305, 6880610, 13761220]

約数ペア:

[(1, 13761220), (2, 6880610), (4, 3440305), (5, 2752244), (10, 1376122), (11, 1251020), (20, 688061), (22, 625510), (44, 312755), (55, 250204), (71, 193820), (110, 125102), (142, 96910), (220, 62551), (284, 48455), (355, 38764), (710, 19382), (781, 17620), (881, 15620), (1420, 9691), (1562, 8810), (1762, 7810), (3124, 4405), (3524, 3905)]