72508520

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{258959}}^1$

素因数の和:258977

約数の個数: 32

約数和(自身を含む): 186451200

約数和(自身を除く): 113942680

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 258959, 517918, 1035836, 1294795, 1812713, 2071672, 2589590, 3625426, 5179180, 7250852, 9063565, 10358360, 14501704, 18127130, 36254260, 72508520]

約数ペア:

[(1, 72508520), (2, 36254260), (4, 18127130), (5, 14501704), (7, 10358360), (8, 9063565), (10, 7250852), (14, 5179180), (20, 3625426), (28, 2589590), (35, 2071672), (40, 1812713), (56, 1294795), (70, 1035836), (140, 517918), (280, 258959)]