40872020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{10067}}^1$

素因数の和:10112

約数の個数: 48

約数和(自身を含む): 101485440

約数和(自身を除く): 60613420

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, 4060, 10067, 20134, 40268, 50335, 70469, 100670, 140938, 201340, 281876, 291943, 352345, 583886, 704690, 1167772, 1409380, 1459715, 2043601, 2919430, 4087202, 5838860, 8174404, 10218005, 20436010, 40872020]

約数ペア:

[(1, 40872020), (2, 20436010), (4, 10218005), (5, 8174404), (7, 5838860), (10, 4087202), (14, 2919430), (20, 2043601), (28, 1459715), (29, 1409380), (35, 1167772), (58, 704690), (70, 583886), (116, 352345), (140, 291943), (145, 281876), (203, 201340), (290, 140938), (406, 100670), (580, 70469), (812, 50335), (1015, 40268), (2030, 20134), (4060, 10067)]