200620880

素因数分解:

$2^4\times 5^1\times {\mathrm{157}}^1\times {\mathrm{15973}}^1$

素因数の和:16143

約数の個数: 40

約数和(自身を含む): 469443912

約数和(自身を除く): 268823032

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 157, 314, 628, 785, 1256, 1570, 2512, 3140, 6280, 12560, 15973, 31946, 63892, 79865, 127784, 159730, 255568, 319460, 638920, 1277840, 2507761, 5015522, 10031044, 12538805, 20062088, 25077610, 40124176, 50155220, 100310440, 200620880]

約数ペア:

[(1, 200620880), (2, 100310440), (4, 50155220), (5, 40124176), (8, 25077610), (10, 20062088), (16, 12538805), (20, 10031044), (40, 5015522), (80, 2507761), (157, 1277840), (314, 638920), (628, 319460), (785, 255568), (1256, 159730), (1570, 127784), (2512, 79865), (3140, 63892), (6280, 31946), (12560, 15973)]