1996825220

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1097}}^1\times {\mathrm{7001}}^1$

素因数の和:8120

約数の個数: 48

約数和(自身を含む): 4520659248

約数和(自身を除く): 2523834028

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 1097, 2194, 4388, 5485, 7001, 10970, 14002, 14261, 21940, 28004, 28522, 35005, 57044, 70010, 71305, 91013, 140020, 142610, 182026, 285220, 364052, 455065, 910130, 1820260, 7680097, 15360194, 30720388, 38400485, 76800970, 99841261, 153601940, 199682522, 399365044, 499206305, 998412610, 1996825220]

約数ペア:

[(1, 1996825220), (2, 998412610), (4, 499206305), (5, 399365044), (10, 199682522), (13, 153601940), (20, 99841261), (26, 76800970), (52, 38400485), (65, 30720388), (130, 15360194), (260, 7680097), (1097, 1820260), (2194, 910130), (4388, 455065), (5485, 364052), (7001, 285220), (10970, 182026), (14002, 142610), (14261, 140020), (21940, 91013), (28004, 71305), (28522, 70010), (35005, 57044)]