25821380

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{5227}}^1$

素因数の和:5268

約数の個数: 48

約数和(自身を含む): 61481280

約数和(自身を除く): 35659900

約数列:

[1, 2, 4, 5, 10, 13, 19, 20, 26, 38, 52, 65, 76, 95, 130, 190, 247, 260, 380, 494, 988, 1235, 2470, 4940, 5227, 10454, 20908, 26135, 52270, 67951, 99313, 104540, 135902, 198626, 271804, 339755, 397252, 496565, 679510, 993130, 1291069, 1359020, 1986260, 2582138, 5164276, 6455345, 12910690, 25821380]

約数ペア:

[(1, 25821380), (2, 12910690), (4, 6455345), (5, 5164276), (10, 2582138), (13, 1986260), (19, 1359020), (20, 1291069), (26, 993130), (38, 679510), (52, 496565), (65, 397252), (76, 339755), (95, 271804), (130, 198626), (190, 135902), (247, 104540), (260, 99313), (380, 67951), (494, 52270), (988, 26135), (1235, 20908), (2470, 10454), (4940, 5227)]