77876240

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{727}}^1$

素因数の和:856

約数の個数: 80

約数和(自身を含む): 197154048

約数和(自身を除く): 119277808

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 103, 104, 130, 206, 208, 260, 412, 515, 520, 727, 824, 1030, 1040, 1339, 1454, 1648, 2060, 2678, 2908, 3635, 4120, 5356, 5816, 6695, 7270, 8240, 9451, 10712, 11632, 13390, 14540, 18902, 21424, 26780, 29080, 37804, 47255, 53560, 58160, 74881, 75608, 94510, 107120, 149762, 151216, 189020, 299524, 374405, 378040, 599048, 748810, 756080, 973453, 1198096, 1497620, 1946906, 2995240, 3893812, 4867265, 5990480, 7787624, 9734530, 15575248, 19469060, 38938120, 77876240]

約数ペア:

[(1, 77876240), (2, 38938120), (4, 19469060), (5, 15575248), (8, 9734530), (10, 7787624), (13, 5990480), (16, 4867265), (20, 3893812), (26, 2995240), (40, 1946906), (52, 1497620), (65, 1198096), (80, 973453), (103, 756080), (104, 748810), (130, 599048), (206, 378040), (208, 374405), (260, 299524), (412, 189020), (515, 151216), (520, 149762), (727, 107120), (824, 94510), (1030, 75608), (1040, 74881), (1339, 58160), (1454, 53560), (1648, 47255), (2060, 37804), (2678, 29080), (2908, 26780), (3635, 21424), (4120, 18902), (5356, 14540), (5816, 13390), (6695, 11632), (7270, 10712), (8240, 9451)]