2797840

素因数分解:

$2^4\times 5^1\times {\mathrm{41}}^1\times {\mathrm{853}}^1$

素因数の和:907

約数の個数: 40

約数和(自身を含む): 6671448

約数和(自身を除く): 3873608

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 41, 80, 82, 164, 205, 328, 410, 656, 820, 853, 1640, 1706, 3280, 3412, 4265, 6824, 8530, 13648, 17060, 34120, 34973, 68240, 69946, 139892, 174865, 279784, 349730, 559568, 699460, 1398920, 2797840]

約数ペア:

[(1, 2797840), (2, 1398920), (4, 699460), (5, 559568), (8, 349730), (10, 279784), (16, 174865), (20, 139892), (40, 69946), (41, 68240), (80, 34973), (82, 34120), (164, 17060), (205, 13648), (328, 8530), (410, 6824), (656, 4265), (820, 3412), (853, 3280), (1640, 1706)]