25778800

素因数分解:

$2^4\times 5^2\times {\mathrm{17}}^2\times {\mathrm{223}}^1$

素因数の和:275

約数の個数: 90

約数和(自身を含む): 66086048

約数和(自身を除く): 40307248

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 25, 34, 40, 50, 68, 80, 85, 100, 136, 170, 200, 223, 272, 289, 340, 400, 425, 446, 578, 680, 850, 892, 1115, 1156, 1360, 1445, 1700, 1784, 2230, 2312, 2890, 3400, 3568, 3791, 4460, 4624, 5575, 5780, 6800, 7225, 7582, 8920, 11150, 11560, 14450, 15164, 17840, 18955, 22300, 23120, 28900, 30328, 37910, 44600, 57800, 60656, 64447, 75820, 89200, 94775, 115600, 128894, 151640, 189550, 257788, 303280, 322235, 379100, 515576, 644470, 758200, 1031152, 1288940, 1516400, 1611175, 2577880, 3222350, 5155760, 6444700, 12889400, 25778800]

約数ペア:

[(1, 25778800), (2, 12889400), (4, 6444700), (5, 5155760), (8, 3222350), (10, 2577880), (16, 1611175), (17, 1516400), (20, 1288940), (25, 1031152), (34, 758200), (40, 644470), (50, 515576), (68, 379100), (80, 322235), (85, 303280), (100, 257788), (136, 189550), (170, 151640), (200, 128894), (223, 115600), (272, 94775), (289, 89200), (340, 75820), (400, 64447), (425, 60656), (446, 57800), (578, 44600), (680, 37910), (850, 30328), (892, 28900), (1115, 23120), (1156, 22300), (1360, 18955), (1445, 17840), (1700, 15164), (1784, 14450), (2230, 11560), (2312, 11150), (2890, 8920), (3400, 7582), (3568, 7225), (3791, 6800), (4460, 5780), (4624, 5575)]