25636700

素因数分解:

$2^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{103}}^1\times {\mathrm{131}}^1$

素因数の和:267

約数の個数: 72

約数和(自身を含む): 59579520

約数和(自身を除く): 33942820

約数列:

[1, 2, 4, 5, 10, 19, 20, 25, 38, 50, 76, 95, 100, 103, 131, 190, 206, 262, 380, 412, 475, 515, 524, 655, 950, 1030, 1310, 1900, 1957, 2060, 2489, 2575, 2620, 3275, 3914, 4978, 5150, 6550, 7828, 9785, 9956, 10300, 12445, 13100, 13493, 19570, 24890, 26986, 39140, 48925, 49780, 53972, 62225, 67465, 97850, 124450, 134930, 195700, 248900, 256367, 269860, 337325, 512734, 674650, 1025468, 1281835, 1349300, 2563670, 5127340, 6409175, 12818350, 25636700]

約数ペア:

[(1, 25636700), (2, 12818350), (4, 6409175), (5, 5127340), (10, 2563670), (19, 1349300), (20, 1281835), (25, 1025468), (38, 674650), (50, 512734), (76, 337325), (95, 269860), (100, 256367), (103, 248900), (131, 195700), (190, 134930), (206, 124450), (262, 97850), (380, 67465), (412, 62225), (475, 53972), (515, 49780), (524, 48925), (655, 39140), (950, 26986), (1030, 24890), (1310, 19570), (1900, 13493), (1957, 13100), (2060, 12445), (2489, 10300), (2575, 9956), (2620, 9785), (3275, 7828), (3914, 6550), (4978, 5150)]