56403820

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{157}}^1$

素因数の和:271

約数の個数: 96

約数和(自身を含む): 137604096

約数和(自身を除く): 81200276

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 23, 44, 46, 55, 71, 92, 110, 115, 142, 157, 220, 230, 253, 284, 314, 355, 460, 506, 628, 710, 781, 785, 1012, 1265, 1420, 1562, 1570, 1633, 1727, 2530, 3124, 3140, 3266, 3454, 3611, 3905, 5060, 6532, 6908, 7222, 7810, 8165, 8635, 11147, 14444, 15620, 16330, 17270, 17963, 18055, 22294, 32660, 34540, 35926, 36110, 39721, 44588, 55735, 71852, 72220, 79442, 89815, 111470, 122617, 158884, 179630, 198605, 222940, 245234, 256381, 359260, 397210, 490468, 512762, 613085, 794420, 1025524, 1226170, 1281905, 2452340, 2563810, 2820191, 5127620, 5640382, 11280764, 14100955, 28201910, 56403820]

約数ペア:

[(1, 56403820), (2, 28201910), (4, 14100955), (5, 11280764), (10, 5640382), (11, 5127620), (20, 2820191), (22, 2563810), (23, 2452340), (44, 1281905), (46, 1226170), (55, 1025524), (71, 794420), (92, 613085), (110, 512762), (115, 490468), (142, 397210), (157, 359260), (220, 256381), (230, 245234), (253, 222940), (284, 198605), (314, 179630), (355, 158884), (460, 122617), (506, 111470), (628, 89815), (710, 79442), (781, 72220), (785, 71852), (1012, 55735), (1265, 44588), (1420, 39721), (1562, 36110), (1570, 35926), (1633, 34540), (1727, 32660), (2530, 22294), (3124, 18055), (3140, 17963), (3266, 17270), (3454, 16330), (3611, 15620), (3905, 14444), (5060, 11147), (6532, 8635), (6908, 8165), (7222, 7810)]