54782500

素因数分解:

$2^2\times 5^4\times {\mathrm{17}}^1\times {\mathrm{1289}}^1$

素因数の和:1330

約数の個数: 60

約数和(自身を含む): 126943740

約数和(自身を除く): 72161240

約数列:

[1, 2, 4, 5, 10, 17, 20, 25, 34, 50, 68, 85, 100, 125, 170, 250, 340, 425, 500, 625, 850, 1250, 1289, 1700, 2125, 2500, 2578, 4250, 5156, 6445, 8500, 10625, 12890, 21250, 21913, 25780, 32225, 42500, 43826, 64450, 87652, 109565, 128900, 161125, 219130, 322250, 438260, 547825, 644500, 805625, 1095650, 1611250, 2191300, 2739125, 3222500, 5478250, 10956500, 13695625, 27391250, 54782500]

約数ペア:

[(1, 54782500), (2, 27391250), (4, 13695625), (5, 10956500), (10, 5478250), (17, 3222500), (20, 2739125), (25, 2191300), (34, 1611250), (50, 1095650), (68, 805625), (85, 644500), (100, 547825), (125, 438260), (170, 322250), (250, 219130), (340, 161125), (425, 128900), (500, 109565), (625, 87652), (850, 64450), (1250, 43826), (1289, 42500), (1700, 32225), (2125, 25780), (2500, 21913), (2578, 21250), (4250, 12890), (5156, 10625), (6445, 8500)]