25996940

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{43}}^2$

素因数の和:151

約数の個数: 72

約数和(自身を含む): 60424560

約数和(自身を除く): 34427620

約数列:

[1, 2, 4, 5, 10, 19, 20, 37, 38, 43, 74, 76, 86, 95, 148, 172, 185, 190, 215, 370, 380, 430, 703, 740, 817, 860, 1406, 1591, 1634, 1849, 2812, 3182, 3268, 3515, 3698, 4085, 6364, 7030, 7396, 7955, 8170, 9245, 14060, 15910, 16340, 18490, 30229, 31820, 35131, 36980, 60458, 68413, 70262, 120916, 136826, 140524, 151145, 175655, 273652, 302290, 342065, 351310, 604580, 684130, 702620, 1299847, 1368260, 2599694, 5199388, 6499235, 12998470, 25996940]

約数ペア:

[(1, 25996940), (2, 12998470), (4, 6499235), (5, 5199388), (10, 2599694), (19, 1368260), (20, 1299847), (37, 702620), (38, 684130), (43, 604580), (74, 351310), (76, 342065), (86, 302290), (95, 273652), (148, 175655), (172, 151145), (185, 140524), (190, 136826), (215, 120916), (370, 70262), (380, 68413), (430, 60458), (703, 36980), (740, 35131), (817, 31820), (860, 30229), (1406, 18490), (1591, 16340), (1634, 15910), (1849, 14060), (2812, 9245), (3182, 8170), (3268, 7955), (3515, 7396), (3698, 7030), (4085, 6364)]