80650400

素因数分解:

$2^5\times 5^2\times {\mathrm{73}}^1\times {\mathrm{1381}}^1$

素因数の和:1474

約数の個数: 72

約数和(自身を含む): 199729404

約数和(自身を除く): 119079004

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 73, 80, 100, 146, 160, 200, 292, 365, 400, 584, 730, 800, 1168, 1381, 1460, 1825, 2336, 2762, 2920, 3650, 5524, 5840, 6905, 7300, 11048, 11680, 13810, 14600, 22096, 27620, 29200, 34525, 44192, 55240, 58400, 69050, 100813, 110480, 138100, 201626, 220960, 276200, 403252, 504065, 552400, 806504, 1008130, 1104800, 1613008, 2016260, 2520325, 3226016, 4032520, 5040650, 8065040, 10081300, 16130080, 20162600, 40325200, 80650400]

約数ペア:

[(1, 80650400), (2, 40325200), (4, 20162600), (5, 16130080), (8, 10081300), (10, 8065040), (16, 5040650), (20, 4032520), (25, 3226016), (32, 2520325), (40, 2016260), (50, 1613008), (73, 1104800), (80, 1008130), (100, 806504), (146, 552400), (160, 504065), (200, 403252), (292, 276200), (365, 220960), (400, 201626), (584, 138100), (730, 110480), (800, 100813), (1168, 69050), (1381, 58400), (1460, 55240), (1825, 44192), (2336, 34525), (2762, 29200), (2920, 27620), (3650, 22096), (5524, 14600), (5840, 13810), (6905, 11680), (7300, 11048)]