16292780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{4013}}^1$

素因数の和:4058

約数の個数: 48

約数和(自身を含む): 40461120

約数和(自身を除く): 24168340

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, 4013, 4060, 8026, 16052, 20065, 28091, 40130, 56182, 80260, 112364, 116377, 140455, 232754, 280910, 465508, 561820, 581885, 814639, 1163770, 1629278, 2327540, 3258556, 4073195, 8146390, 16292780]

約数ペア:

[(1, 16292780), (2, 8146390), (4, 4073195), (5, 3258556), (7, 2327540), (10, 1629278), (14, 1163770), (20, 814639), (28, 581885), (29, 561820), (35, 465508), (58, 280910), (70, 232754), (116, 140455), (140, 116377), (145, 112364), (203, 80260), (290, 56182), (406, 40130), (580, 28091), (812, 20065), (1015, 16052), (2030, 8026), (4013, 4060)]