39643900

素因数分解:

$2^2\times 5^2\times {\mathrm{61}}^1\times {\mathrm{67}}^1\times {\mathrm{97}}^1$

素因数の和:239

約数の個数: 72

約数和(自身を含む): 89657456

約数和(自身を除く): 50013556

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 61, 67, 97, 100, 122, 134, 194, 244, 268, 305, 335, 388, 485, 610, 670, 970, 1220, 1340, 1525, 1675, 1940, 2425, 3050, 3350, 4087, 4850, 5917, 6100, 6499, 6700, 8174, 9700, 11834, 12998, 16348, 20435, 23668, 25996, 29585, 32495, 40870, 59170, 64990, 81740, 102175, 118340, 129980, 147925, 162475, 204350, 295850, 324950, 396439, 408700, 591700, 649900, 792878, 1585756, 1982195, 3964390, 7928780, 9910975, 19821950, 39643900]

約数ペア:

[(1, 39643900), (2, 19821950), (4, 9910975), (5, 7928780), (10, 3964390), (20, 1982195), (25, 1585756), (50, 792878), (61, 649900), (67, 591700), (97, 408700), (100, 396439), (122, 324950), (134, 295850), (194, 204350), (244, 162475), (268, 147925), (305, 129980), (335, 118340), (388, 102175), (485, 81740), (610, 64990), (670, 59170), (970, 40870), (1220, 32495), (1340, 29585), (1525, 25996), (1675, 23668), (1940, 20435), (2425, 16348), (3050, 12998), (3350, 11834), (4087, 9700), (4850, 8174), (5917, 6700), (6100, 6499)]