2013901040

素因数分解:

$2^4\times 5^1\times {\mathrm{4937}}^1\times {\mathrm{5099}}^1$

素因数の和:10049

約数の個数: 40

約数和(自身を含む): 4684186800

約数和(自身を除く): 2670285760

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 4937, 5099, 9874, 10198, 19748, 20396, 24685, 25495, 39496, 40792, 49370, 50990, 78992, 81584, 98740, 101980, 197480, 203960, 394960, 407920, 25173763, 50347526, 100695052, 125868815, 201390104, 251737630, 402780208, 503475260, 1006950520, 2013901040]

約数ペア:

[(1, 2013901040), (2, 1006950520), (4, 503475260), (5, 402780208), (8, 251737630), (10, 201390104), (16, 125868815), (20, 100695052), (40, 50347526), (80, 25173763), (4937, 407920), (5099, 394960), (9874, 203960), (10198, 197480), (19748, 101980), (20396, 98740), (24685, 81584), (25495, 78992), (39496, 50990), (40792, 49370)]