40671020

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{8233}}^1$

素因数の和:8274

約数の個数: 48

約数和(自身を含む): 96831840

約数和(自身を除く): 56160820

約数列:

[1, 2, 4, 5, 10, 13, 19, 20, 26, 38, 52, 65, 76, 95, 130, 190, 247, 260, 380, 494, 988, 1235, 2470, 4940, 8233, 16466, 32932, 41165, 82330, 107029, 156427, 164660, 214058, 312854, 428116, 535145, 625708, 782135, 1070290, 1564270, 2033551, 2140580, 3128540, 4067102, 8134204, 10167755, 20335510, 40671020]

約数ペア:

[(1, 40671020), (2, 20335510), (4, 10167755), (5, 8134204), (10, 4067102), (13, 3128540), (19, 2140580), (20, 2033551), (26, 1564270), (38, 1070290), (52, 782135), (65, 625708), (76, 535145), (95, 428116), (130, 312854), (190, 214058), (247, 164660), (260, 156427), (380, 107029), (494, 82330), (988, 41165), (1235, 32932), (2470, 16466), (4940, 8233)]