26658760

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{21499}}^1$

素因数の和:21541

約数の個数: 32

約数和(自身を含む): 61920000

約数和(自身を除く): 35261240

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 21499, 42998, 85996, 107495, 171992, 214990, 429980, 666469, 859960, 1332938, 2665876, 3332345, 5331752, 6664690, 13329380, 26658760]

約数ペア:

[(1, 26658760), (2, 13329380), (4, 6664690), (5, 5331752), (8, 3332345), (10, 2665876), (20, 1332938), (31, 859960), (40, 666469), (62, 429980), (124, 214990), (155, 171992), (248, 107495), (310, 85996), (620, 42998), (1240, 21499)]