16003960

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{937}}^1$

素因数の和:1016

約数の個数: 64

約数和(自身を含む): 41872320

約数和(自身を除く): 25868360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 61, 70, 122, 140, 244, 280, 305, 427, 488, 610, 854, 937, 1220, 1708, 1874, 2135, 2440, 3416, 3748, 4270, 4685, 6559, 7496, 8540, 9370, 13118, 17080, 18740, 26236, 32795, 37480, 52472, 57157, 65590, 114314, 131180, 228628, 262360, 285785, 400099, 457256, 571570, 800198, 1143140, 1600396, 2000495, 2286280, 3200792, 4000990, 8001980, 16003960]

約数ペア:

[(1, 16003960), (2, 8001980), (4, 4000990), (5, 3200792), (7, 2286280), (8, 2000495), (10, 1600396), (14, 1143140), (20, 800198), (28, 571570), (35, 457256), (40, 400099), (56, 285785), (61, 262360), (70, 228628), (122, 131180), (140, 114314), (244, 65590), (280, 57157), (305, 52472), (427, 37480), (488, 32795), (610, 26236), (854, 18740), (937, 17080), (1220, 13118), (1708, 9370), (1874, 8540), (2135, 7496), (2440, 6559), (3416, 4685), (3748, 4270)]