2100973040

素因数分解:

$2^4\times 5^1\times {\mathrm{26262163}}^1$

素因数の和:26262176

約数の個数: 20

約数和(自身を含む): 4884762504

約数和(自身を除く): 2783789464

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 26262163, 52524326, 105048652, 131310815, 210097304, 262621630, 420194608, 525243260, 1050486520, 2100973040]

約数ペア:

[(1, 2100973040), (2, 1050486520), (4, 525243260), (5, 420194608), (8, 262621630), (10, 210097304), (16, 131310815), (20, 105048652), (40, 52524326), (80, 26262163)]