27888933080

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^2\times {\mathrm{414767}}^1$

素因数の和:414860

約数の個数: 48

約数和(自身を含む): 64318073760

約数和(自身を除く): 36429140680

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 205, 328, 410, 820, 1640, 1681, 3362, 6724, 8405, 13448, 16810, 33620, 67240, 414767, 829534, 1659068, 2073835, 3318136, 4147670, 8295340, 16590680, 17005447, 34010894, 68021788, 85027235, 136043576, 170054470, 340108940, 680217880, 697223327, 1394446654, 2788893308, 3486116635, 5577786616, 6972233270, 13944466540, 27888933080]

約数ペア:

[(1, 27888933080), (2, 13944466540), (4, 6972233270), (5, 5577786616), (8, 3486116635), (10, 2788893308), (20, 1394446654), (40, 697223327), (41, 680217880), (82, 340108940), (164, 170054470), (205, 136043576), (328, 85027235), (410, 68021788), (820, 34010894), (1640, 17005447), (1681, 16590680), (3362, 8295340), (6724, 4147670), (8405, 3318136), (13448, 2073835), (16810, 1659068), (33620, 829534), (67240, 414767)]