2545040

素因数分解:

$2^4\times 5^1\times {\mathrm{29}}^1\times {\mathrm{1097}}^1$

素因数の和:1139

約数の個数: 40

約数和(自身を含む): 6126840

約数和(自身を除く): 3581800

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 40, 58, 80, 116, 145, 232, 290, 464, 580, 1097, 1160, 2194, 2320, 4388, 5485, 8776, 10970, 17552, 21940, 31813, 43880, 63626, 87760, 127252, 159065, 254504, 318130, 509008, 636260, 1272520, 2545040]

約数ペア:

[(1, 2545040), (2, 1272520), (4, 636260), (5, 509008), (8, 318130), (10, 254504), (16, 159065), (20, 127252), (29, 87760), (40, 63626), (58, 43880), (80, 31813), (116, 21940), (145, 17552), (232, 10970), (290, 8776), (464, 5485), (580, 4388), (1097, 2320), (1160, 2194)]