26005520

素因数分解:

$2^4\times 5^1\times {\mathrm{61}}^1\times {\mathrm{73}}^2$

素因数の和:220

約数の個数: 60

約数和(自身を含む): 62307396

約数和(自身を除く): 36301876

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 61, 73, 80, 122, 146, 244, 292, 305, 365, 488, 584, 610, 730, 976, 1168, 1220, 1460, 2440, 2920, 4453, 4880, 5329, 5840, 8906, 10658, 17812, 21316, 22265, 26645, 35624, 42632, 44530, 53290, 71248, 85264, 89060, 106580, 178120, 213160, 325069, 356240, 426320, 650138, 1300276, 1625345, 2600552, 3250690, 5201104, 6501380, 13002760, 26005520]

約数ペア:

[(1, 26005520), (2, 13002760), (4, 6501380), (5, 5201104), (8, 3250690), (10, 2600552), (16, 1625345), (20, 1300276), (40, 650138), (61, 426320), (73, 356240), (80, 325069), (122, 213160), (146, 178120), (244, 106580), (292, 89060), (305, 85264), (365, 71248), (488, 53290), (584, 44530), (610, 42632), (730, 35624), (976, 26645), (1168, 22265), (1220, 21316), (1460, 17812), (2440, 10658), (2920, 8906), (4453, 5840), (4880, 5329)]