80977528

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{7537}}^1$

素因数の和:7639

約数の個数: 32

約数和(自身を含む): 162820800

約数和(自身を除く): 81843272

約数列:

[1, 2, 4, 8, 17, 34, 68, 79, 136, 158, 316, 632, 1343, 2686, 5372, 7537, 10744, 15074, 30148, 60296, 128129, 256258, 512516, 595423, 1025032, 1190846, 2381692, 4763384, 10122191, 20244382, 40488764, 80977528]

約数ペア:

[(1, 80977528), (2, 40488764), (4, 20244382), (8, 10122191), (17, 4763384), (34, 2381692), (68, 1190846), (79, 1025032), (136, 595423), (158, 512516), (316, 256258), (632, 128129), (1343, 60296), (2686, 30148), (5372, 15074), (7537, 10744)]