100019840

素因数分解:

$2^7\times 5^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{317}}^1$

素因数の和:382

約数の個数: 128

約数和(自身を含む): 262731600

約数和(自身を除く): 162711760

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 29, 32, 34, 40, 58, 64, 68, 80, 85, 116, 128, 136, 145, 160, 170, 232, 272, 290, 317, 320, 340, 464, 493, 544, 580, 634, 640, 680, 928, 986, 1088, 1160, 1268, 1360, 1585, 1856, 1972, 2176, 2320, 2465, 2536, 2720, 3170, 3712, 3944, 4640, 4930, 5072, 5389, 5440, 6340, 7888, 9193, 9280, 9860, 10144, 10778, 10880, 12680, 15776, 18386, 18560, 19720, 20288, 21556, 25360, 26945, 31552, 36772, 39440, 40576, 43112, 45965, 50720, 53890, 63104, 73544, 78880, 86224, 91930, 101440, 107780, 147088, 156281, 157760, 172448, 183860, 202880, 215560, 294176, 312562, 315520, 344896, 367720, 431120, 588352, 625124, 689792, 735440, 781405, 862240, 1176704, 1250248, 1470880, 1562810, 1724480, 2500496, 2941760, 3125620, 3448960, 5000992, 5883520, 6251240, 10001984, 12502480, 20003968, 25004960, 50009920, 100019840]

約数ペア:

[(1, 100019840), (2, 50009920), (4, 25004960), (5, 20003968), (8, 12502480), (10, 10001984), (16, 6251240), (17, 5883520), (20, 5000992), (29, 3448960), (32, 3125620), (34, 2941760), (40, 2500496), (58, 1724480), (64, 1562810), (68, 1470880), (80, 1250248), (85, 1176704), (116, 862240), (128, 781405), (136, 735440), (145, 689792), (160, 625124), (170, 588352), (232, 431120), (272, 367720), (290, 344896), (317, 315520), (320, 312562), (340, 294176), (464, 215560), (493, 202880), (544, 183860), (580, 172448), (634, 157760), (640, 156281), (680, 147088), (928, 107780), (986, 101440), (1088, 91930), (1160, 86224), (1268, 78880), (1360, 73544), (1585, 63104), (1856, 53890), (1972, 50720), (2176, 45965), (2320, 43112), (2465, 40576), (2536, 39440), (2720, 36772), (3170, 31552), (3712, 26945), (3944, 25360), (4640, 21556), (4930, 20288), (5072, 19720), (5389, 18560), (5440, 18386), (6340, 15776), (7888, 12680), (9193, 10880), (9280, 10778), (9860, 10144)]