16268420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{4007}}^1$

素因数の和:4052

約数の個数: 48

約数和(自身を含む): 40400640

約数和(自身を除く): 24132220

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 29, 35, 58, 70, 116, 140, 145, 203, 290, 406, 580, 812, 1015, 2030, 4007, 4060, 8014, 16028, 20035, 28049, 40070, 56098, 80140, 112196, 116203, 140245, 232406, 280490, 464812, 560980, 581015, 813421, 1162030, 1626842, 2324060, 3253684, 4067105, 8134210, 16268420]

約数ペア:

[(1, 16268420), (2, 8134210), (4, 4067105), (5, 3253684), (7, 2324060), (10, 1626842), (14, 1162030), (20, 813421), (28, 581015), (29, 560980), (35, 464812), (58, 280490), (70, 232406), (116, 140245), (140, 116203), (145, 112196), (203, 80140), (290, 56098), (406, 40070), (580, 28049), (812, 20035), (1015, 16028), (2030, 8014), (4007, 4060)]