38854780

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{2161}}^1$

素因数の和:2230

約数の個数: 48

約数和(自身を含む): 87171840

約数和(自身を除く): 48317060

約数列:

[1, 2, 4, 5, 10, 20, 29, 31, 58, 62, 116, 124, 145, 155, 290, 310, 580, 620, 899, 1798, 2161, 3596, 4322, 4495, 8644, 8990, 10805, 17980, 21610, 43220, 62669, 66991, 125338, 133982, 250676, 267964, 313345, 334955, 626690, 669910, 1253380, 1339820, 1942739, 3885478, 7770956, 9713695, 19427390, 38854780]

約数ペア:

[(1, 38854780), (2, 19427390), (4, 9713695), (5, 7770956), (10, 3885478), (20, 1942739), (29, 1339820), (31, 1253380), (58, 669910), (62, 626690), (116, 334955), (124, 313345), (145, 267964), (155, 250676), (290, 133982), (310, 125338), (580, 66991), (620, 62669), (899, 43220), (1798, 21610), (2161, 17980), (3596, 10805), (4322, 8990), (4495, 8644)]