203445680

素因数分解:

$2^4\times 5^1\times {\mathrm{563}}^1\times {\mathrm{4517}}^1$

素因数の和:5093

約数の個数: 40

約数和(自身を含む): 473956272

約数和(自身を除く): 270510592

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 563, 1126, 2252, 2815, 4504, 4517, 5630, 9008, 9034, 11260, 18068, 22520, 22585, 36136, 45040, 45170, 72272, 90340, 180680, 361360, 2543071, 5086142, 10172284, 12715355, 20344568, 25430710, 40689136, 50861420, 101722840, 203445680]

約数ペア:

[(1, 203445680), (2, 101722840), (4, 50861420), (5, 40689136), (8, 25430710), (10, 20344568), (16, 12715355), (20, 10172284), (40, 5086142), (80, 2543071), (563, 361360), (1126, 180680), (2252, 90340), (2815, 72272), (4504, 45170), (4517, 45040), (5630, 36136), (9008, 22585), (9034, 22520), (11260, 18068)]