77802400

素因数分解:

$2^5\times 5^2\times {\mathrm{13}}^1\times {\mathrm{7481}}^1$

素因数の和:7514

約数の個数: 72

約数和(自身を含む): 204572844

約数和(自身を除く): 126770444

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 32, 40, 50, 52, 65, 80, 100, 104, 130, 160, 200, 208, 260, 325, 400, 416, 520, 650, 800, 1040, 1300, 2080, 2600, 5200, 7481, 10400, 14962, 29924, 37405, 59848, 74810, 97253, 119696, 149620, 187025, 194506, 239392, 299240, 374050, 389012, 486265, 598480, 748100, 778024, 972530, 1196960, 1496200, 1556048, 1945060, 2431325, 2992400, 3112096, 3890120, 4862650, 5984800, 7780240, 9725300, 15560480, 19450600, 38901200, 77802400]

約数ペア:

[(1, 77802400), (2, 38901200), (4, 19450600), (5, 15560480), (8, 9725300), (10, 7780240), (13, 5984800), (16, 4862650), (20, 3890120), (25, 3112096), (26, 2992400), (32, 2431325), (40, 1945060), (50, 1556048), (52, 1496200), (65, 1196960), (80, 972530), (100, 778024), (104, 748100), (130, 598480), (160, 486265), (200, 389012), (208, 374050), (260, 299240), (325, 239392), (400, 194506), (416, 187025), (520, 149620), (650, 119696), (800, 97253), (1040, 74810), (1300, 59848), (2080, 37405), (2600, 29924), (5200, 14962), (7481, 10400)]