27883640

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^2\times {\mathrm{1931}}^1$

素因数の和:1980

約数の個数: 48

約数和(自身を含む): 66248280

約数和(自身を除く): 38364640

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 361, 380, 722, 760, 1444, 1805, 1931, 2888, 3610, 3862, 7220, 7724, 9655, 14440, 15448, 19310, 36689, 38620, 73378, 77240, 146756, 183445, 293512, 366890, 697091, 733780, 1394182, 1467560, 2788364, 3485455, 5576728, 6970910, 13941820, 27883640]

約数ペア:

[(1, 27883640), (2, 13941820), (4, 6970910), (5, 5576728), (8, 3485455), (10, 2788364), (19, 1467560), (20, 1394182), (38, 733780), (40, 697091), (76, 366890), (95, 293512), (152, 183445), (190, 146756), (361, 77240), (380, 73378), (722, 38620), (760, 36689), (1444, 19310), (1805, 15448), (1931, 14440), (2888, 9655), (3610, 7724), (3862, 7220)]