53451320

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^2\times {\mathrm{7907}}^1$

素因数の和:7944

約数の個数: 48

約数和(自身を含む): 130244760

約数和(自身を除く): 76793440

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 169, 260, 338, 520, 676, 845, 1352, 1690, 3380, 6760, 7907, 15814, 31628, 39535, 63256, 79070, 102791, 158140, 205582, 316280, 411164, 513955, 822328, 1027910, 1336283, 2055820, 2672566, 4111640, 5345132, 6681415, 10690264, 13362830, 26725660, 53451320]

約数ペア:

[(1, 53451320), (2, 26725660), (4, 13362830), (5, 10690264), (8, 6681415), (10, 5345132), (13, 4111640), (20, 2672566), (26, 2055820), (40, 1336283), (52, 1027910), (65, 822328), (104, 513955), (130, 411164), (169, 316280), (260, 205582), (338, 158140), (520, 102791), (676, 79070), (845, 63256), (1352, 39535), (1690, 31628), (3380, 15814), (6760, 7907)]