4015960

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{7723}}^1$

素因数の和:7747

約数の個数: 32

約数和(自身を含む): 9732240

約数和(自身を除く): 5716280

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 7723, 15446, 30892, 38615, 61784, 77230, 100399, 154460, 200798, 308920, 401596, 501995, 803192, 1003990, 2007980, 4015960]

約数ペア:

[(1, 4015960), (2, 2007980), (4, 1003990), (5, 803192), (8, 501995), (10, 401596), (13, 308920), (20, 200798), (26, 154460), (40, 100399), (52, 77230), (65, 61784), (104, 38615), (130, 30892), (260, 15446), (520, 7723)]