23120000

素因数分解:

$2^7\times 5^4\times {\mathrm{17}}^2$

素因数の和:68

約数の個数: 120

約数和(自身を含む): 61140585

約数和(自身を除く): 38020585

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 25, 32, 34, 40, 50, 64, 68, 80, 85, 100, 125, 128, 136, 160, 170, 200, 250, 272, 289, 320, 340, 400, 425, 500, 544, 578, 625, 640, 680, 800, 850, 1000, 1088, 1156, 1250, 1360, 1445, 1600, 1700, 2000, 2125, 2176, 2312, 2500, 2720, 2890, 3200, 3400, 4000, 4250, 4624, 5000, 5440, 5780, 6800, 7225, 8000, 8500, 9248, 10000, 10625, 10880, 11560, 13600, 14450, 16000, 17000, 18496, 20000, 21250, 23120, 27200, 28900, 34000, 36125, 36992, 40000, 42500, 46240, 54400, 57800, 68000, 72250, 80000, 85000, 92480, 115600, 136000, 144500, 170000, 180625, 184960, 231200, 272000, 289000, 340000, 361250, 462400, 578000, 680000, 722500, 924800, 1156000, 1360000, 1445000, 2312000, 2890000, 4624000, 5780000, 11560000, 23120000]

約数ペア:

[(1, 23120000), (2, 11560000), (4, 5780000), (5, 4624000), (8, 2890000), (10, 2312000), (16, 1445000), (17, 1360000), (20, 1156000), (25, 924800), (32, 722500), (34, 680000), (40, 578000), (50, 462400), (64, 361250), (68, 340000), (80, 289000), (85, 272000), (100, 231200), (125, 184960), (128, 180625), (136, 170000), (160, 144500), (170, 136000), (200, 115600), (250, 92480), (272, 85000), (289, 80000), (320, 72250), (340, 68000), (400, 57800), (425, 54400), (500, 46240), (544, 42500), (578, 40000), (625, 36992), (640, 36125), (680, 34000), (800, 28900), (850, 27200), (1000, 23120), (1088, 21250), (1156, 20000), (1250, 18496), (1360, 17000), (1445, 16000), (1600, 14450), (1700, 13600), (2000, 11560), (2125, 10880), (2176, 10625), (2312, 10000), (2500, 9248), (2720, 8500), (2890, 8000), (3200, 7225), (3400, 6800), (4000, 5780), (4250, 5440), (4624, 5000)]