28427540

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{2131}}^1$

素因数の和:2192

約数の個数: 48

約数和(自身を含む): 64471680

約数和(自身を除く): 36044140

約数列:

[1, 2, 4, 5, 10, 20, 23, 29, 46, 58, 92, 115, 116, 145, 230, 290, 460, 580, 667, 1334, 2131, 2668, 3335, 4262, 6670, 8524, 10655, 13340, 21310, 42620, 49013, 61799, 98026, 123598, 196052, 245065, 247196, 308995, 490130, 617990, 980260, 1235980, 1421377, 2842754, 5685508, 7106885, 14213770, 28427540]

約数ペア:

[(1, 28427540), (2, 14213770), (4, 7106885), (5, 5685508), (10, 2842754), (20, 1421377), (23, 1235980), (29, 980260), (46, 617990), (58, 490130), (92, 308995), (115, 247196), (116, 245065), (145, 196052), (230, 123598), (290, 98026), (460, 61799), (580, 49013), (667, 42620), (1334, 21310), (2131, 13340), (2668, 10655), (3335, 8524), (4262, 6670)]