12785240

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{1069}}^1$

素因数の和:1116

約数の個数: 64

約数和(自身を含む): 32356800

約数和(自身を除く): 19571560

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 23, 26, 40, 46, 52, 65, 92, 104, 115, 130, 184, 230, 260, 299, 460, 520, 598, 920, 1069, 1196, 1495, 2138, 2392, 2990, 4276, 5345, 5980, 8552, 10690, 11960, 13897, 21380, 24587, 27794, 42760, 49174, 55588, 69485, 98348, 111176, 122935, 138970, 196696, 245870, 277940, 319631, 491740, 555880, 639262, 983480, 1278524, 1598155, 2557048, 3196310, 6392620, 12785240]

約数ペア:

[(1, 12785240), (2, 6392620), (4, 3196310), (5, 2557048), (8, 1598155), (10, 1278524), (13, 983480), (20, 639262), (23, 555880), (26, 491740), (40, 319631), (46, 277940), (52, 245870), (65, 196696), (92, 138970), (104, 122935), (115, 111176), (130, 98348), (184, 69485), (230, 55588), (260, 49174), (299, 42760), (460, 27794), (520, 24587), (598, 21380), (920, 13897), (1069, 11960), (1196, 10690), (1495, 8552), (2138, 5980), (2392, 5345), (2990, 4276)]