25009180

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{4357}}^1$

素因数の和:4414

約数の個数: 48

約数和(自身を含む): 61500096

約数和(自身を除く): 36490916

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 41, 70, 82, 140, 164, 205, 287, 410, 574, 820, 1148, 1435, 2870, 4357, 5740, 8714, 17428, 21785, 30499, 43570, 60998, 87140, 121996, 152495, 178637, 304990, 357274, 609980, 714548, 893185, 1250459, 1786370, 2500918, 3572740, 5001836, 6252295, 12504590, 25009180]

約数ペア:

[(1, 25009180), (2, 12504590), (4, 6252295), (5, 5001836), (7, 3572740), (10, 2500918), (14, 1786370), (20, 1250459), (28, 893185), (35, 714548), (41, 609980), (70, 357274), (82, 304990), (140, 178637), (164, 152495), (205, 121996), (287, 87140), (410, 60998), (574, 43570), (820, 30499), (1148, 21785), (1435, 17428), (2870, 8714), (4357, 5740)]