12803900

素因数分解:

$2^2\times 5^2\times {\mathrm{61}}^1\times {\mathrm{2099}}^1$

素因数の和:2174

約数の個数: 36

約数和(自身を含む): 28253400

約数和(自身を除く): 15449500

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 61, 100, 122, 244, 305, 610, 1220, 1525, 2099, 3050, 4198, 6100, 8396, 10495, 20990, 41980, 52475, 104950, 128039, 209900, 256078, 512156, 640195, 1280390, 2560780, 3200975, 6401950, 12803900]

約数ペア:

[(1, 12803900), (2, 6401950), (4, 3200975), (5, 2560780), (10, 1280390), (20, 640195), (25, 512156), (50, 256078), (61, 209900), (100, 128039), (122, 104950), (244, 52475), (305, 41980), (610, 20990), (1220, 10495), (1525, 8396), (2099, 6100), (3050, 4198)]