85031875

素因数分解:

$5^4\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{151}}^1$

素因数の和:241

約数の個数: 40

約数和(自身を含む): 115388064

約数和(自身を除く): 30356189

約数列:

[1, 5, 17, 25, 53, 85, 125, 151, 265, 425, 625, 755, 901, 1325, 2125, 2567, 3775, 4505, 6625, 8003, 10625, 12835, 18875, 22525, 33125, 40015, 64175, 94375, 112625, 136051, 200075, 320875, 563125, 680255, 1000375, 1604375, 3401275, 5001875, 17006375, 85031875]

約数ペア:

[(1, 85031875), (5, 17006375), (17, 5001875), (25, 3401275), (53, 1604375), (85, 1000375), (125, 680255), (151, 563125), (265, 320875), (425, 200075), (625, 136051), (755, 112625), (901, 94375), (1325, 64175), (2125, 40015), (2567, 33125), (3775, 22525), (4505, 18875), (6625, 12835), (8003, 10625)]