13853900

素因数分解:

$2^2\times 5^2\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{109}}^1$

素因数の和:195

約数の個数: 72

約数和(自身を含む): 32081280

約数和(自身を除く): 18227380

約数列:

[1, 2, 4, 5, 10, 20, 25, 31, 41, 50, 62, 82, 100, 109, 124, 155, 164, 205, 218, 310, 410, 436, 545, 620, 775, 820, 1025, 1090, 1271, 1550, 2050, 2180, 2542, 2725, 3100, 3379, 4100, 4469, 5084, 5450, 6355, 6758, 8938, 10900, 12710, 13516, 16895, 17876, 22345, 25420, 31775, 33790, 44690, 63550, 67580, 84475, 89380, 111725, 127100, 138539, 168950, 223450, 277078, 337900, 446900, 554156, 692695, 1385390, 2770780, 3463475, 6926950, 13853900]

約数ペア:

[(1, 13853900), (2, 6926950), (4, 3463475), (5, 2770780), (10, 1385390), (20, 692695), (25, 554156), (31, 446900), (41, 337900), (50, 277078), (62, 223450), (82, 168950), (100, 138539), (109, 127100), (124, 111725), (155, 89380), (164, 84475), (205, 67580), (218, 63550), (310, 44690), (410, 33790), (436, 31775), (545, 25420), (620, 22345), (775, 17876), (820, 16895), (1025, 13516), (1090, 12710), (1271, 10900), (1550, 8938), (2050, 6758), (2180, 6355), (2542, 5450), (2725, 5084), (3100, 4469), (3379, 4100)]