10992020

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{631}}^1$

素因数の和:720

約数の個数: 48

約数和(自身を含む): 25269888

約数和(自身を除く): 14277868

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 67, 130, 134, 260, 268, 335, 631, 670, 871, 1262, 1340, 1742, 2524, 3155, 3484, 4355, 6310, 8203, 8710, 12620, 16406, 17420, 32812, 41015, 42277, 82030, 84554, 164060, 169108, 211385, 422770, 549601, 845540, 1099202, 2198404, 2748005, 5496010, 10992020]

約数ペア:

[(1, 10992020), (2, 5496010), (4, 2748005), (5, 2198404), (10, 1099202), (13, 845540), (20, 549601), (26, 422770), (52, 211385), (65, 169108), (67, 164060), (130, 84554), (134, 82030), (260, 42277), (268, 41015), (335, 32812), (631, 17420), (670, 16406), (871, 12620), (1262, 8710), (1340, 8203), (1742, 6310), (2524, 4355), (3155, 3484)]