39340280

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{109}}^1\times {\mathrm{1289}}^1$

素因数の和:1416

約数の個数: 64

約数和(自身を含む): 102168000

約数和(自身を除く): 62827720

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 109, 140, 218, 280, 436, 545, 763, 872, 1090, 1289, 1526, 2180, 2578, 3052, 3815, 4360, 5156, 6104, 6445, 7630, 9023, 10312, 12890, 15260, 18046, 25780, 30520, 36092, 45115, 51560, 72184, 90230, 140501, 180460, 281002, 360920, 562004, 702505, 983507, 1124008, 1405010, 1967014, 2810020, 3934028, 4917535, 5620040, 7868056, 9835070, 19670140, 39340280]

約数ペア:

[(1, 39340280), (2, 19670140), (4, 9835070), (5, 7868056), (7, 5620040), (8, 4917535), (10, 3934028), (14, 2810020), (20, 1967014), (28, 1405010), (35, 1124008), (40, 983507), (56, 702505), (70, 562004), (109, 360920), (140, 281002), (218, 180460), (280, 140501), (436, 90230), (545, 72184), (763, 51560), (872, 45115), (1090, 36092), (1289, 30520), (1526, 25780), (2180, 18046), (2578, 15260), (3052, 12890), (3815, 10312), (4360, 9023), (5156, 7630), (6104, 6445)]