27923740

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{211}}^1\times {\mathrm{509}}^1$

素因数の和:742

約数の個数: 48

約数和(自身を含む): 63574560

約数和(自身を除く): 35650820

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 211, 260, 422, 509, 844, 1018, 1055, 2036, 2110, 2545, 2743, 4220, 5090, 5486, 6617, 10180, 10972, 13234, 13715, 26468, 27430, 33085, 54860, 66170, 107399, 132340, 214798, 429596, 536995, 1073990, 1396187, 2147980, 2792374, 5584748, 6980935, 13961870, 27923740]

約数ペア:

[(1, 27923740), (2, 13961870), (4, 6980935), (5, 5584748), (10, 2792374), (13, 2147980), (20, 1396187), (26, 1073990), (52, 536995), (65, 429596), (130, 214798), (211, 132340), (260, 107399), (422, 66170), (509, 54860), (844, 33085), (1018, 27430), (1055, 26468), (2036, 13715), (2110, 13234), (2545, 10972), (2743, 10180), (4220, 6617), (5090, 5486)]