5408920

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{647}}^1$

素因数の和:688

約数の個数: 64

約数和(自身を含む): 13996800

約数和(自身を除く): 8587880

約数列:

[1, 2, 4, 5, 8, 10, 11, 19, 20, 22, 38, 40, 44, 55, 76, 88, 95, 110, 152, 190, 209, 220, 380, 418, 440, 647, 760, 836, 1045, 1294, 1672, 2090, 2588, 3235, 4180, 5176, 6470, 7117, 8360, 12293, 12940, 14234, 24586, 25880, 28468, 35585, 49172, 56936, 61465, 71170, 98344, 122930, 135223, 142340, 245860, 270446, 284680, 491720, 540892, 676115, 1081784, 1352230, 2704460, 5408920]

約数ペア:

[(1, 5408920), (2, 2704460), (4, 1352230), (5, 1081784), (8, 676115), (10, 540892), (11, 491720), (19, 284680), (20, 270446), (22, 245860), (38, 142340), (40, 135223), (44, 122930), (55, 98344), (76, 71170), (88, 61465), (95, 56936), (110, 49172), (152, 35585), (190, 28468), (209, 25880), (220, 24586), (380, 14234), (418, 12940), (440, 12293), (647, 8360), (760, 7117), (836, 6470), (1045, 5176), (1294, 4180), (1672, 3235), (2090, 2588)]