12580000

素因数分解:

$2^5\times 5^4\times {\mathrm{17}}^1\times {\mathrm{37}}^1$

素因数の和:84

約数の個数: 120

約数和(自身を含む): 33654852

約数和(自身を除く): 21074852

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 25, 32, 34, 37, 40, 50, 68, 74, 80, 85, 100, 125, 136, 148, 160, 170, 185, 200, 250, 272, 296, 340, 370, 400, 425, 500, 544, 592, 625, 629, 680, 740, 800, 850, 925, 1000, 1184, 1250, 1258, 1360, 1480, 1700, 1850, 2000, 2125, 2500, 2516, 2720, 2960, 3145, 3400, 3700, 4000, 4250, 4625, 5000, 5032, 5920, 6290, 6800, 7400, 8500, 9250, 10000, 10064, 10625, 12580, 13600, 14800, 15725, 17000, 18500, 20000, 20128, 21250, 23125, 25160, 29600, 31450, 34000, 37000, 42500, 46250, 50320, 62900, 68000, 74000, 78625, 85000, 92500, 100640, 125800, 148000, 157250, 170000, 185000, 251600, 314500, 340000, 370000, 393125, 503200, 629000, 740000, 786250, 1258000, 1572500, 2516000, 3145000, 6290000, 12580000]

約数ペア:

[(1, 12580000), (2, 6290000), (4, 3145000), (5, 2516000), (8, 1572500), (10, 1258000), (16, 786250), (17, 740000), (20, 629000), (25, 503200), (32, 393125), (34, 370000), (37, 340000), (40, 314500), (50, 251600), (68, 185000), (74, 170000), (80, 157250), (85, 148000), (100, 125800), (125, 100640), (136, 92500), (148, 85000), (160, 78625), (170, 74000), (185, 68000), (200, 62900), (250, 50320), (272, 46250), (296, 42500), (340, 37000), (370, 34000), (400, 31450), (425, 29600), (500, 25160), (544, 23125), (592, 21250), (625, 20128), (629, 20000), (680, 18500), (740, 17000), (800, 15725), (850, 14800), (925, 13600), (1000, 12580), (1184, 10625), (1250, 10064), (1258, 10000), (1360, 9250), (1480, 8500), (1700, 7400), (1850, 6800), (2000, 6290), (2125, 5920), (2500, 5032), (2516, 5000), (2720, 4625), (2960, 4250), (3145, 4000), (3400, 3700)]