131639150

素因数分解:

$2^1\times 5^2\times {\mathrm{103}}^1\times {\mathrm{25561}}^1$

素因数の和:25676

約数の個数: 24

約数和(自身を含む): 247235664

約数和(自身を除く): 115596514

約数列:

[1, 2, 5, 10, 25, 50, 103, 206, 515, 1030, 2575, 5150, 25561, 51122, 127805, 255610, 639025, 1278050, 2632783, 5265566, 13163915, 26327830, 65819575, 131639150]

約数ペア:

[(1, 131639150), (2, 65819575), (5, 26327830), (10, 13163915), (25, 5265566), (50, 2632783), (103, 1278050), (206, 639025), (515, 255610), (1030, 127805), (2575, 51122), (5150, 25561)]