80491820

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{107}}^1\times {\mathrm{1297}}^1$

素因数の和:1442

約数の個数: 48

約数和(自身を含む): 176631840

約数和(自身を除く): 96140020

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 107, 116, 145, 214, 290, 428, 535, 580, 1070, 1297, 2140, 2594, 3103, 5188, 6206, 6485, 12412, 12970, 15515, 25940, 31030, 37613, 62060, 75226, 138779, 150452, 188065, 277558, 376130, 555116, 693895, 752260, 1387790, 2775580, 4024591, 8049182, 16098364, 20122955, 40245910, 80491820]

約数ペア:

[(1, 80491820), (2, 40245910), (4, 20122955), (5, 16098364), (10, 8049182), (20, 4024591), (29, 2775580), (58, 1387790), (107, 752260), (116, 693895), (145, 555116), (214, 376130), (290, 277558), (428, 188065), (535, 150452), (580, 138779), (1070, 75226), (1297, 62060), (2140, 37613), (2594, 31030), (3103, 25940), (5188, 15515), (6206, 12970), (6485, 12412)]