12808850

素因数分解:

$2^1\times 5^2\times {\mathrm{19}}^1\times {\mathrm{97}}^1\times {\mathrm{139}}^1$

素因数の和:267

約数の個数: 48

約数和(自身を含む): 25519200

約数和(自身を除く): 12710350

約数列:

[1, 2, 5, 10, 19, 25, 38, 50, 95, 97, 139, 190, 194, 278, 475, 485, 695, 950, 970, 1390, 1843, 2425, 2641, 3475, 3686, 4850, 5282, 6950, 9215, 13205, 13483, 18430, 26410, 26966, 46075, 66025, 67415, 92150, 132050, 134830, 256177, 337075, 512354, 674150, 1280885, 2561770, 6404425, 12808850]

約数ペア:

[(1, 12808850), (2, 6404425), (5, 2561770), (10, 1280885), (19, 674150), (25, 512354), (38, 337075), (50, 256177), (95, 134830), (97, 132050), (139, 92150), (190, 67415), (194, 66025), (278, 46075), (475, 26966), (485, 26410), (695, 18430), (950, 13483), (970, 13205), (1390, 9215), (1843, 6950), (2425, 5282), (2641, 4850), (3475, 3686)]