25004960

素因数分解:

$2^5\times 5^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{317}}^1$

素因数の和:378

約数の個数: 96

約数和(自身を含む): 64910160

約数和(自身を除く): 39905200

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 29, 32, 34, 40, 58, 68, 80, 85, 116, 136, 145, 160, 170, 232, 272, 290, 317, 340, 464, 493, 544, 580, 634, 680, 928, 986, 1160, 1268, 1360, 1585, 1972, 2320, 2465, 2536, 2720, 3170, 3944, 4640, 4930, 5072, 5389, 6340, 7888, 9193, 9860, 10144, 10778, 12680, 15776, 18386, 19720, 21556, 25360, 26945, 36772, 39440, 43112, 45965, 50720, 53890, 73544, 78880, 86224, 91930, 107780, 147088, 156281, 172448, 183860, 215560, 294176, 312562, 367720, 431120, 625124, 735440, 781405, 862240, 1250248, 1470880, 1562810, 2500496, 3125620, 5000992, 6251240, 12502480, 25004960]

約数ペア:

[(1, 25004960), (2, 12502480), (4, 6251240), (5, 5000992), (8, 3125620), (10, 2500496), (16, 1562810), (17, 1470880), (20, 1250248), (29, 862240), (32, 781405), (34, 735440), (40, 625124), (58, 431120), (68, 367720), (80, 312562), (85, 294176), (116, 215560), (136, 183860), (145, 172448), (160, 156281), (170, 147088), (232, 107780), (272, 91930), (290, 86224), (317, 78880), (340, 73544), (464, 53890), (493, 50720), (544, 45965), (580, 43112), (634, 39440), (680, 36772), (928, 26945), (986, 25360), (1160, 21556), (1268, 19720), (1360, 18386), (1585, 15776), (1972, 12680), (2320, 10778), (2465, 10144), (2536, 9860), (2720, 9193), (3170, 7888), (3944, 6340), (4640, 5389), (4930, 5072)]