25429840

素因数分解:

$2^4\times 5^1\times {\mathrm{41}}^1\times {\mathrm{7753}}^1$

素因数の和:7807

約数の個数: 40

約数和(自身を含む): 60574248

約数和(自身を除く): 35144408

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 41, 80, 82, 164, 205, 328, 410, 656, 820, 1640, 3280, 7753, 15506, 31012, 38765, 62024, 77530, 124048, 155060, 310120, 317873, 620240, 635746, 1271492, 1589365, 2542984, 3178730, 5085968, 6357460, 12714920, 25429840]

約数ペア:

[(1, 25429840), (2, 12714920), (4, 6357460), (5, 5085968), (8, 3178730), (10, 2542984), (16, 1589365), (20, 1271492), (40, 635746), (41, 620240), (80, 317873), (82, 310120), (164, 155060), (205, 124048), (328, 77530), (410, 62024), (656, 38765), (820, 31012), (1640, 15506), (3280, 7753)]