25912000

素因数分解:

$2^6\times 5^3\times {\mathrm{41}}^1\times {\mathrm{79}}^1$

素因数の和:147

約数の個数: 112

約数和(自身を含む): 66568320

約数和(自身を除く): 40656320

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 41, 50, 64, 79, 80, 82, 100, 125, 158, 160, 164, 200, 205, 250, 316, 320, 328, 395, 400, 410, 500, 632, 656, 790, 800, 820, 1000, 1025, 1264, 1312, 1580, 1600, 1640, 1975, 2000, 2050, 2528, 2624, 3160, 3239, 3280, 3950, 4000, 4100, 5056, 5125, 6320, 6478, 6560, 7900, 8000, 8200, 9875, 10250, 12640, 12956, 13120, 15800, 16195, 16400, 19750, 20500, 25280, 25912, 31600, 32390, 32800, 39500, 41000, 51824, 63200, 64780, 65600, 79000, 80975, 82000, 103648, 126400, 129560, 158000, 161950, 164000, 207296, 259120, 316000, 323900, 328000, 404875, 518240, 632000, 647800, 809750, 1036480, 1295600, 1619500, 2591200, 3239000, 5182400, 6478000, 12956000, 25912000]

約数ペア:

[(1, 25912000), (2, 12956000), (4, 6478000), (5, 5182400), (8, 3239000), (10, 2591200), (16, 1619500), (20, 1295600), (25, 1036480), (32, 809750), (40, 647800), (41, 632000), (50, 518240), (64, 404875), (79, 328000), (80, 323900), (82, 316000), (100, 259120), (125, 207296), (158, 164000), (160, 161950), (164, 158000), (200, 129560), (205, 126400), (250, 103648), (316, 82000), (320, 80975), (328, 79000), (395, 65600), (400, 64780), (410, 63200), (500, 51824), (632, 41000), (656, 39500), (790, 32800), (800, 32390), (820, 31600), (1000, 25912), (1025, 25280), (1264, 20500), (1312, 19750), (1580, 16400), (1600, 16195), (1640, 15800), (1975, 13120), (2000, 12956), (2050, 12640), (2528, 10250), (2624, 9875), (3160, 8200), (3239, 8000), (3280, 7900), (3950, 6560), (4000, 6478), (4100, 6320), (5056, 5125)]