80933440

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{36131}}^1$

素因数の和:36155

約数の個数: 56

約数和(自身を含む): 220260672

約数和(自身を除く): 139327232

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 140, 160, 224, 280, 320, 448, 560, 1120, 2240, 36131, 72262, 144524, 180655, 252917, 289048, 361310, 505834, 578096, 722620, 1011668, 1156192, 1264585, 1445240, 2023336, 2312384, 2529170, 2890480, 4046672, 5058340, 5780960, 8093344, 10116680, 11561920, 16186688, 20233360, 40466720, 80933440]

約数ペア:

[(1, 80933440), (2, 40466720), (4, 20233360), (5, 16186688), (7, 11561920), (8, 10116680), (10, 8093344), (14, 5780960), (16, 5058340), (20, 4046672), (28, 2890480), (32, 2529170), (35, 2312384), (40, 2023336), (56, 1445240), (64, 1264585), (70, 1156192), (80, 1011668), (112, 722620), (140, 578096), (160, 505834), (224, 361310), (280, 289048), (320, 252917), (448, 180655), (560, 144524), (1120, 72262), (2240, 36131)]