2193040

素因数分解:

$2^4\times 5^1\times {\mathrm{79}}^1\times {\mathrm{347}}^1$

素因数の和:439

約数の個数: 40

約数和(自身を含む): 5178240

約数和(自身を除く): 2985200

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 79, 80, 158, 316, 347, 395, 632, 694, 790, 1264, 1388, 1580, 1735, 2776, 3160, 3470, 5552, 6320, 6940, 13880, 27413, 27760, 54826, 109652, 137065, 219304, 274130, 438608, 548260, 1096520, 2193040]

約数ペア:

[(1, 2193040), (2, 1096520), (4, 548260), (5, 438608), (8, 274130), (10, 219304), (16, 137065), (20, 109652), (40, 54826), (79, 27760), (80, 27413), (158, 13880), (316, 6940), (347, 6320), (395, 5552), (632, 3470), (694, 3160), (790, 2776), (1264, 1735), (1388, 1580)]