80218750

素因数分解:

$2^1\times 5^6\times {\mathrm{17}}^1\times {\mathrm{151}}^1$

素因数の和:200

約数の個数: 56

約数和(自身を含む): 160310448

約数和(自身を除く): 80091698

約数列:

[1, 2, 5, 10, 17, 25, 34, 50, 85, 125, 151, 170, 250, 302, 425, 625, 755, 850, 1250, 1510, 2125, 2567, 3125, 3775, 4250, 5134, 6250, 7550, 10625, 12835, 15625, 18875, 21250, 25670, 31250, 37750, 53125, 64175, 94375, 106250, 128350, 188750, 265625, 320875, 471875, 531250, 641750, 943750, 1604375, 2359375, 3208750, 4718750, 8021875, 16043750, 40109375, 80218750]

約数ペア:

[(1, 80218750), (2, 40109375), (5, 16043750), (10, 8021875), (17, 4718750), (25, 3208750), (34, 2359375), (50, 1604375), (85, 943750), (125, 641750), (151, 531250), (170, 471875), (250, 320875), (302, 265625), (425, 188750), (625, 128350), (755, 106250), (850, 94375), (1250, 64175), (1510, 53125), (2125, 37750), (2567, 31250), (3125, 25670), (3775, 21250), (4250, 18875), (5134, 15625), (6250, 12835), (7550, 10625)]