39689920

素因数分解:

$2^6\times 5^1\times {\mathrm{31}}^1\times {\mathrm{4001}}^1$

素因数の和:4049

約数の個数: 56

約数和(自身を含む): 97584768

約数和(自身を除く): 57894848

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 155, 160, 248, 310, 320, 496, 620, 992, 1240, 1984, 2480, 4001, 4960, 8002, 9920, 16004, 20005, 32008, 40010, 64016, 80020, 124031, 128032, 160040, 248062, 256064, 320080, 496124, 620155, 640160, 992248, 1240310, 1280320, 1984496, 2480620, 3968992, 4961240, 7937984, 9922480, 19844960, 39689920]

約数ペア:

[(1, 39689920), (2, 19844960), (4, 9922480), (5, 7937984), (8, 4961240), (10, 3968992), (16, 2480620), (20, 1984496), (31, 1280320), (32, 1240310), (40, 992248), (62, 640160), (64, 620155), (80, 496124), (124, 320080), (155, 256064), (160, 248062), (248, 160040), (310, 128032), (320, 124031), (496, 80020), (620, 64016), (992, 40010), (1240, 32008), (1984, 20005), (2480, 16004), (4001, 9920), (4960, 8002)]