53317520

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{21499}}^1$

素因数の和:21543

約数の個数: 40

約数和(自身を含む): 127968000

約数和(自身を除く): 74650480

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 620, 1240, 2480, 21499, 42998, 85996, 107495, 171992, 214990, 343984, 429980, 666469, 859960, 1332938, 1719920, 2665876, 3332345, 5331752, 6664690, 10663504, 13329380, 26658760, 53317520]

約数ペア:

[(1, 53317520), (2, 26658760), (4, 13329380), (5, 10663504), (8, 6664690), (10, 5331752), (16, 3332345), (20, 2665876), (31, 1719920), (40, 1332938), (62, 859960), (80, 666469), (124, 429980), (155, 343984), (248, 214990), (310, 171992), (496, 107495), (620, 85996), (1240, 42998), (2480, 21499)]