768800

素因数分解:

$2^5\times 5^2\times {\mathrm{31}}^2$

素因数の和:82

約数の個数: 54

約数和(自身を含む): 1939329

約数和(自身を除く): 1170529

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 31, 32, 40, 50, 62, 80, 100, 124, 155, 160, 200, 248, 310, 400, 496, 620, 775, 800, 961, 992, 1240, 1550, 1922, 2480, 3100, 3844, 4805, 4960, 6200, 7688, 9610, 12400, 15376, 19220, 24025, 24800, 30752, 38440, 48050, 76880, 96100, 153760, 192200, 384400, 768800]

約数ペア:

[(1, 768800), (2, 384400), (4, 192200), (5, 153760), (8, 96100), (10, 76880), (16, 48050), (20, 38440), (25, 30752), (31, 24800), (32, 24025), (40, 19220), (50, 15376), (62, 12400), (80, 9610), (100, 7688), (124, 6200), (155, 4960), (160, 4805), (200, 3844), (248, 3100), (310, 2480), (400, 1922), (496, 1550), (620, 1240), (775, 992), (800, 961)]