200655920

素因数分解:

$2^4\times 5^1\times {\mathrm{109}}^1\times {\mathrm{23011}}^1$

素因数の和:23133

約数の個数: 40

約数和(自身を含む): 470825520

約数和(自身を除く): 270169600

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 109, 218, 436, 545, 872, 1090, 1744, 2180, 4360, 8720, 23011, 46022, 92044, 115055, 184088, 230110, 368176, 460220, 920440, 1840880, 2508199, 5016398, 10032796, 12540995, 20065592, 25081990, 40131184, 50163980, 100327960, 200655920]

約数ペア:

[(1, 200655920), (2, 100327960), (4, 50163980), (5, 40131184), (8, 25081990), (10, 20065592), (16, 12540995), (20, 10032796), (40, 5016398), (80, 2508199), (109, 1840880), (218, 920440), (436, 460220), (545, 368176), (872, 230110), (1090, 184088), (1744, 115055), (2180, 92044), (4360, 46022), (8720, 23011)]