25348520

素因数分解:

$2^3\times 5^1\times {\mathrm{73}}^1\times {\mathrm{8681}}^1$

素因数の和:8765

約数の個数: 32

約数和(自身を含む): 57822120

約数和(自身を除く): 32473600

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 73, 146, 292, 365, 584, 730, 1460, 2920, 8681, 17362, 34724, 43405, 69448, 86810, 173620, 347240, 633713, 1267426, 2534852, 3168565, 5069704, 6337130, 12674260, 25348520]

約数ペア:

[(1, 25348520), (2, 12674260), (4, 6337130), (5, 5069704), (8, 3168565), (10, 2534852), (20, 1267426), (40, 633713), (73, 347240), (146, 173620), (292, 86810), (365, 69448), (584, 43405), (730, 34724), (1460, 17362), (2920, 8681)]