40025840

素因数分解:

$2^4\times 5^1\times {\mathrm{41}}^1\times {\mathrm{12203}}^1$

素因数の和:12257

約数の個数: 40

約数和(自身を含む): 95337648

約数和(自身を除く): 55311808

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 41, 80, 82, 164, 205, 328, 410, 656, 820, 1640, 3280, 12203, 24406, 48812, 61015, 97624, 122030, 195248, 244060, 488120, 500323, 976240, 1000646, 2001292, 2501615, 4002584, 5003230, 8005168, 10006460, 20012920, 40025840]

約数ペア:

[(1, 40025840), (2, 20012920), (4, 10006460), (5, 8005168), (8, 5003230), (10, 4002584), (16, 2501615), (20, 2001292), (40, 1000646), (41, 976240), (80, 500323), (82, 488120), (164, 244060), (205, 195248), (328, 122030), (410, 97624), (656, 61015), (820, 48812), (1640, 24406), (3280, 12203)]