55420000

素因数分解:

$2^5\times 5^4\times {\mathrm{17}}^1\times {\mathrm{163}}^1$

素因数の和:210

約数の個数: 120

約数和(自身を含む): 145247256

約数和(自身を除く): 89827256

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 25, 32, 34, 40, 50, 68, 80, 85, 100, 125, 136, 160, 163, 170, 200, 250, 272, 326, 340, 400, 425, 500, 544, 625, 652, 680, 800, 815, 850, 1000, 1250, 1304, 1360, 1630, 1700, 2000, 2125, 2500, 2608, 2720, 2771, 3260, 3400, 4000, 4075, 4250, 5000, 5216, 5542, 6520, 6800, 8150, 8500, 10000, 10625, 11084, 13040, 13600, 13855, 16300, 17000, 20000, 20375, 21250, 22168, 26080, 27710, 32600, 34000, 40750, 42500, 44336, 55420, 65200, 68000, 69275, 81500, 85000, 88672, 101875, 110840, 130400, 138550, 163000, 170000, 203750, 221680, 277100, 326000, 340000, 346375, 407500, 443360, 554200, 652000, 692750, 815000, 1108400, 1385500, 1630000, 1731875, 2216800, 2771000, 3260000, 3463750, 5542000, 6927500, 11084000, 13855000, 27710000, 55420000]

約数ペア:

[(1, 55420000), (2, 27710000), (4, 13855000), (5, 11084000), (8, 6927500), (10, 5542000), (16, 3463750), (17, 3260000), (20, 2771000), (25, 2216800), (32, 1731875), (34, 1630000), (40, 1385500), (50, 1108400), (68, 815000), (80, 692750), (85, 652000), (100, 554200), (125, 443360), (136, 407500), (160, 346375), (163, 340000), (170, 326000), (200, 277100), (250, 221680), (272, 203750), (326, 170000), (340, 163000), (400, 138550), (425, 130400), (500, 110840), (544, 101875), (625, 88672), (652, 85000), (680, 81500), (800, 69275), (815, 68000), (850, 65200), (1000, 55420), (1250, 44336), (1304, 42500), (1360, 40750), (1630, 34000), (1700, 32600), (2000, 27710), (2125, 26080), (2500, 22168), (2608, 21250), (2720, 20375), (2771, 20000), (3260, 17000), (3400, 16300), (4000, 13855), (4075, 13600), (4250, 13040), (5000, 11084), (5216, 10625), (5542, 10000), (6520, 8500), (6800, 8150)]