10891020

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{25931}}^1$

素因数の和:25950

約数の個数: 48

約数和(自身を含む): 34852608

約数和(自身を除く): 23961588

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 25931, 51862, 77793, 103724, 129655, 155586, 181517, 259310, 311172, 363034, 388965, 518620, 544551, 726068, 777930, 907585, 1089102, 1555860, 1815170, 2178204, 2722755, 3630340, 5445510, 10891020]

約数ペア:

[(1, 10891020), (2, 5445510), (3, 3630340), (4, 2722755), (5, 2178204), (6, 1815170), (7, 1555860), (10, 1089102), (12, 907585), (14, 777930), (15, 726068), (20, 544551), (21, 518620), (28, 388965), (30, 363034), (35, 311172), (42, 259310), (60, 181517), (70, 155586), (84, 129655), (105, 103724), (140, 77793), (210, 51862), (420, 25931)]