25708020

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{1433}}^1$

素因数の和:1481

約数の個数: 96

約数和(自身を含む): 80946432

約数和(自身を除く): 55238412

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 23, 26, 30, 39, 46, 52, 60, 65, 69, 78, 92, 115, 130, 138, 156, 195, 230, 260, 276, 299, 345, 390, 460, 598, 690, 780, 897, 1196, 1380, 1433, 1495, 1794, 2866, 2990, 3588, 4299, 4485, 5732, 5980, 7165, 8598, 8970, 14330, 17196, 17940, 18629, 21495, 28660, 32959, 37258, 42990, 55887, 65918, 74516, 85980, 93145, 98877, 111774, 131836, 164795, 186290, 197754, 223548, 279435, 329590, 372580, 395508, 428467, 494385, 558870, 659180, 856934, 988770, 1117740, 1285401, 1713868, 1977540, 2142335, 2570802, 4284670, 5141604, 6427005, 8569340, 12854010, 25708020]

約数ペア:

[(1, 25708020), (2, 12854010), (3, 8569340), (4, 6427005), (5, 5141604), (6, 4284670), (10, 2570802), (12, 2142335), (13, 1977540), (15, 1713868), (20, 1285401), (23, 1117740), (26, 988770), (30, 856934), (39, 659180), (46, 558870), (52, 494385), (60, 428467), (65, 395508), (69, 372580), (78, 329590), (92, 279435), (115, 223548), (130, 197754), (138, 186290), (156, 164795), (195, 131836), (230, 111774), (260, 98877), (276, 93145), (299, 85980), (345, 74516), (390, 65918), (460, 55887), (598, 42990), (690, 37258), (780, 32959), (897, 28660), (1196, 21495), (1380, 18629), (1433, 17940), (1495, 17196), (1794, 14330), (2866, 8970), (2990, 8598), (3588, 7165), (4299, 5980), (4485, 5732)]