40007800

素因数分解:

$2^3\times 5^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{41}}^2$

素因数の和:122

約数の個数: 144

約数和(自身を含む): 115372080

約数和(自身を除く): 75364280

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 17, 20, 25, 28, 34, 35, 40, 41, 50, 56, 68, 70, 82, 85, 100, 119, 136, 140, 164, 170, 175, 200, 205, 238, 280, 287, 328, 340, 350, 410, 425, 476, 574, 595, 680, 697, 700, 820, 850, 952, 1025, 1148, 1190, 1394, 1400, 1435, 1640, 1681, 1700, 2050, 2296, 2380, 2788, 2870, 2975, 3362, 3400, 3485, 4100, 4760, 4879, 5576, 5740, 5950, 6724, 6970, 7175, 8200, 8405, 9758, 11480, 11767, 11900, 13448, 13940, 14350, 16810, 17425, 19516, 23534, 23800, 24395, 27880, 28577, 28700, 33620, 34850, 39032, 42025, 47068, 48790, 57154, 57400, 58835, 67240, 69700, 84050, 94136, 97580, 114308, 117670, 121975, 139400, 142885, 168100, 195160, 200039, 228616, 235340, 243950, 285770, 294175, 336200, 400078, 470680, 487900, 571540, 588350, 714425, 800156, 975800, 1000195, 1143080, 1176700, 1428850, 1600312, 2000390, 2353400, 2857700, 4000780, 5000975, 5715400, 8001560, 10001950, 20003900, 40007800]

約数ペア:

[(1, 40007800), (2, 20003900), (4, 10001950), (5, 8001560), (7, 5715400), (8, 5000975), (10, 4000780), (14, 2857700), (17, 2353400), (20, 2000390), (25, 1600312), (28, 1428850), (34, 1176700), (35, 1143080), (40, 1000195), (41, 975800), (50, 800156), (56, 714425), (68, 588350), (70, 571540), (82, 487900), (85, 470680), (100, 400078), (119, 336200), (136, 294175), (140, 285770), (164, 243950), (170, 235340), (175, 228616), (200, 200039), (205, 195160), (238, 168100), (280, 142885), (287, 139400), (328, 121975), (340, 117670), (350, 114308), (410, 97580), (425, 94136), (476, 84050), (574, 69700), (595, 67240), (680, 58835), (697, 57400), (700, 57154), (820, 48790), (850, 47068), (952, 42025), (1025, 39032), (1148, 34850), (1190, 33620), (1394, 28700), (1400, 28577), (1435, 27880), (1640, 24395), (1681, 23800), (1700, 23534), (2050, 19516), (2296, 17425), (2380, 16810), (2788, 14350), (2870, 13940), (2975, 13448), (3362, 11900), (3400, 11767), (3485, 11480), (4100, 9758), (4760, 8405), (4879, 8200), (5576, 7175), (5740, 6970), (5950, 6724)]