26987500

素因数分解:

$2^2\times 5^5\times {\mathrm{17}}^1\times {\mathrm{127}}^1$

素因数の和:173

約数の個数: 72

約数和(自身を含む): 62995968

約数和(自身を除く): 36008468

約数列:

[1, 2, 4, 5, 10, 17, 20, 25, 34, 50, 68, 85, 100, 125, 127, 170, 250, 254, 340, 425, 500, 508, 625, 635, 850, 1250, 1270, 1700, 2125, 2159, 2500, 2540, 3125, 3175, 4250, 4318, 6250, 6350, 8500, 8636, 10625, 10795, 12500, 12700, 15875, 21250, 21590, 31750, 42500, 43180, 53125, 53975, 63500, 79375, 106250, 107950, 158750, 212500, 215900, 269875, 317500, 396875, 539750, 793750, 1079500, 1349375, 1587500, 2698750, 5397500, 6746875, 13493750, 26987500]

約数ペア:

[(1, 26987500), (2, 13493750), (4, 6746875), (5, 5397500), (10, 2698750), (17, 1587500), (20, 1349375), (25, 1079500), (34, 793750), (50, 539750), (68, 396875), (85, 317500), (100, 269875), (125, 215900), (127, 212500), (170, 158750), (250, 107950), (254, 106250), (340, 79375), (425, 63500), (500, 53975), (508, 53125), (625, 43180), (635, 42500), (850, 31750), (1250, 21590), (1270, 21250), (1700, 15875), (2125, 12700), (2159, 12500), (2500, 10795), (2540, 10625), (3125, 8636), (3175, 8500), (4250, 6350), (4318, 6250)]