25200800

素因数分解:

$2^5\times 5^2\times {\mathrm{17}}^2\times {\mathrm{109}}^1$

素因数の和:163

約数の個数: 108

約数和(自身を含む): 65952810

約数和(自身を除く): 40752010

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 25, 32, 34, 40, 50, 68, 80, 85, 100, 109, 136, 160, 170, 200, 218, 272, 289, 340, 400, 425, 436, 544, 545, 578, 680, 800, 850, 872, 1090, 1156, 1360, 1445, 1700, 1744, 1853, 2180, 2312, 2720, 2725, 2890, 3400, 3488, 3706, 4360, 4624, 5450, 5780, 6800, 7225, 7412, 8720, 9248, 9265, 10900, 11560, 13600, 14450, 14824, 17440, 18530, 21800, 23120, 28900, 29648, 31501, 37060, 43600, 46240, 46325, 57800, 59296, 63002, 74120, 87200, 92650, 115600, 126004, 148240, 157505, 185300, 231200, 252008, 296480, 315010, 370600, 504016, 630020, 741200, 787525, 1008032, 1260040, 1482400, 1575050, 2520080, 3150100, 5040160, 6300200, 12600400, 25200800]

約数ペア:

[(1, 25200800), (2, 12600400), (4, 6300200), (5, 5040160), (8, 3150100), (10, 2520080), (16, 1575050), (17, 1482400), (20, 1260040), (25, 1008032), (32, 787525), (34, 741200), (40, 630020), (50, 504016), (68, 370600), (80, 315010), (85, 296480), (100, 252008), (109, 231200), (136, 185300), (160, 157505), (170, 148240), (200, 126004), (218, 115600), (272, 92650), (289, 87200), (340, 74120), (400, 63002), (425, 59296), (436, 57800), (544, 46325), (545, 46240), (578, 43600), (680, 37060), (800, 31501), (850, 29648), (872, 28900), (1090, 23120), (1156, 21800), (1360, 18530), (1445, 17440), (1700, 14824), (1744, 14450), (1853, 13600), (2180, 11560), (2312, 10900), (2720, 9265), (2725, 9248), (2890, 8720), (3400, 7412), (3488, 7225), (3706, 6800), (4360, 5780), (4624, 5450)]