200717840

素因数分解:

$2^4\times 5^1\times {\mathrm{223}}^1\times {\mathrm{11251}}^1$

素因数の和:11487

約数の個数: 40

約数和(自身を含む): 468803328

約数和(自身を除く): 268085488

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 223, 446, 892, 1115, 1784, 2230, 3568, 4460, 8920, 11251, 17840, 22502, 45004, 56255, 90008, 112510, 180016, 225020, 450040, 900080, 2508973, 5017946, 10035892, 12544865, 20071784, 25089730, 40143568, 50179460, 100358920, 200717840]

約数ペア:

[(1, 200717840), (2, 100358920), (4, 50179460), (5, 40143568), (8, 25089730), (10, 20071784), (16, 12544865), (20, 10035892), (40, 5017946), (80, 2508973), (223, 900080), (446, 450040), (892, 225020), (1115, 180016), (1784, 112510), (2230, 90008), (3568, 56255), (4460, 45004), (8920, 22502), (11251, 17840)]