12319400

素因数分解:

$2^3\times 5^2\times {\mathrm{31}}^1\times {\mathrm{1987}}^1$

素因数の和:2034

約数の個数: 48

約数和(自身を含む): 29581440

約数和(自身を除く): 17262040

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 31, 40, 50, 62, 100, 124, 155, 200, 248, 310, 620, 775, 1240, 1550, 1987, 3100, 3974, 6200, 7948, 9935, 15896, 19870, 39740, 49675, 61597, 79480, 99350, 123194, 198700, 246388, 307985, 397400, 492776, 615970, 1231940, 1539925, 2463880, 3079850, 6159700, 12319400]

約数ペア:

[(1, 12319400), (2, 6159700), (4, 3079850), (5, 2463880), (8, 1539925), (10, 1231940), (20, 615970), (25, 492776), (31, 397400), (40, 307985), (50, 246388), (62, 198700), (100, 123194), (124, 99350), (155, 79480), (200, 61597), (248, 49675), (310, 39740), (620, 19870), (775, 15896), (1240, 9935), (1550, 7948), (1987, 6200), (3100, 3974)]