19849400

素因数分解:

$2^3\times 5^2\times {\mathrm{61}}^1\times {\mathrm{1627}}^1$

素因数の和:1704

約数の個数: 48

約数和(自身を含む): 46935240

約数和(自身を除く): 27085840

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 61, 100, 122, 200, 244, 305, 488, 610, 1220, 1525, 1627, 2440, 3050, 3254, 6100, 6508, 8135, 12200, 13016, 16270, 32540, 40675, 65080, 81350, 99247, 162700, 198494, 325400, 396988, 496235, 793976, 992470, 1984940, 2481175, 3969880, 4962350, 9924700, 19849400]

約数ペア:

[(1, 19849400), (2, 9924700), (4, 4962350), (5, 3969880), (8, 2481175), (10, 1984940), (20, 992470), (25, 793976), (40, 496235), (50, 396988), (61, 325400), (100, 198494), (122, 162700), (200, 99247), (244, 81350), (305, 65080), (488, 40675), (610, 32540), (1220, 16270), (1525, 13016), (1627, 12200), (2440, 8135), (3050, 6508), (3254, 6100)]