10004020

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{353}}^1$

素因数の和:484

約数の個数: 48

約数和(自身を含む): 22896720

約数和(自身を除く): 12892700

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 109, 130, 218, 260, 353, 436, 545, 706, 1090, 1412, 1417, 1765, 2180, 2834, 3530, 4589, 5668, 7060, 7085, 9178, 14170, 18356, 22945, 28340, 38477, 45890, 76954, 91780, 153908, 192385, 384770, 500201, 769540, 1000402, 2000804, 2501005, 5002010, 10004020]

約数ペア:

[(1, 10004020), (2, 5002010), (4, 2501005), (5, 2000804), (10, 1000402), (13, 769540), (20, 500201), (26, 384770), (52, 192385), (65, 153908), (109, 91780), (130, 76954), (218, 45890), (260, 38477), (353, 28340), (436, 22945), (545, 18356), (706, 14170), (1090, 9178), (1412, 7085), (1417, 7060), (1765, 5668), (2180, 4589), (2834, 3530)]