199200920

素因数分解:

$2^3\times 5^1\times {\mathrm{113}}^1\times {\mathrm{44071}}^1$

素因数の和:44195

約数の個数: 32

約数和(自身を含む): 452178720

約数和(自身を除く): 252977800

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 113, 226, 452, 565, 904, 1130, 2260, 4520, 44071, 88142, 176284, 220355, 352568, 440710, 881420, 1762840, 4980023, 9960046, 19920092, 24900115, 39840184, 49800230, 99600460, 199200920]

約数ペア:

[(1, 199200920), (2, 99600460), (4, 49800230), (5, 39840184), (8, 24900115), (10, 19920092), (20, 9960046), (40, 4980023), (113, 1762840), (226, 881420), (452, 440710), (565, 352568), (904, 220355), (1130, 176284), (2260, 88142), (4520, 44071)]