2725840

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{2621}}^1$

素因数の和:2647

約数の個数: 40

約数和(自身を含む): 6827688

約数和(自身を除く): 4101848

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 2621, 5242, 10484, 13105, 20968, 26210, 34073, 41936, 52420, 68146, 104840, 136292, 170365, 209680, 272584, 340730, 545168, 681460, 1362920, 2725840]

約数ペア:

[(1, 2725840), (2, 1362920), (4, 681460), (5, 545168), (8, 340730), (10, 272584), (13, 209680), (16, 170365), (20, 136292), (26, 104840), (40, 68146), (52, 52420), (65, 41936), (80, 34073), (104, 26210), (130, 20968), (208, 13105), (260, 10484), (520, 5242), (1040, 2621)]