15722449940

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{109}}^1\times {\mathrm{313571}}^1$

素因数の和:313712

約数の個数: 48

約数和(自身を含む): 34768863360

約数和(自身を除く): 19046413420

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 109, 115, 218, 230, 436, 460, 545, 1090, 2180, 2507, 5014, 10028, 12535, 25070, 50140, 313571, 627142, 1254284, 1567855, 3135710, 6271420, 7212133, 14424266, 28848532, 34179239, 36060665, 68358478, 72121330, 136716956, 144242660, 170896195, 341792390, 683584780, 786122497, 1572244994, 3144489988, 3930612485, 7861224970, 15722449940]

約数ペア:

[(1, 15722449940), (2, 7861224970), (4, 3930612485), (5, 3144489988), (10, 1572244994), (20, 786122497), (23, 683584780), (46, 341792390), (92, 170896195), (109, 144242660), (115, 136716956), (218, 72121330), (230, 68358478), (436, 36060665), (460, 34179239), (545, 28848532), (1090, 14424266), (2180, 7212133), (2507, 6271420), (5014, 3135710), (10028, 1567855), (12535, 1254284), (25070, 627142), (50140, 313571)]