25840390

素因数分解:

$2^1\times 5^1\times {\mathrm{83}}^1\times {\mathrm{163}}^1\times {\mathrm{191}}^1$

素因数の和:444

約数の個数: 32

約数和(自身を含む): 47609856

約数和(自身を除く): 21769466

約数列:

[1, 2, 5, 10, 83, 163, 166, 191, 326, 382, 415, 815, 830, 955, 1630, 1910, 13529, 15853, 27058, 31133, 31706, 62266, 67645, 79265, 135290, 155665, 158530, 311330, 2584039, 5168078, 12920195, 25840390]

約数ペア:

[(1, 25840390), (2, 12920195), (5, 5168078), (10, 2584039), (83, 311330), (163, 158530), (166, 155665), (191, 135290), (326, 79265), (382, 67645), (415, 62266), (815, 31706), (830, 31133), (955, 27058), (1630, 15853), (1910, 13529)]