10988840

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^2\times {\mathrm{761}}^1$

素因数の和:810

約数の個数: 48

約数和(自身を含む): 26128980

約数和(自身を除く): 15140140

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 361, 380, 722, 760, 761, 1444, 1522, 1805, 2888, 3044, 3610, 3805, 6088, 7220, 7610, 14440, 14459, 15220, 28918, 30440, 57836, 72295, 115672, 144590, 274721, 289180, 549442, 578360, 1098884, 1373605, 2197768, 2747210, 5494420, 10988840]

約数ペア:

[(1, 10988840), (2, 5494420), (4, 2747210), (5, 2197768), (8, 1373605), (10, 1098884), (19, 578360), (20, 549442), (38, 289180), (40, 274721), (76, 144590), (95, 115672), (152, 72295), (190, 57836), (361, 30440), (380, 28918), (722, 15220), (760, 14459), (761, 14440), (1444, 7610), (1522, 7220), (1805, 6088), (2888, 3805), (3044, 3610)]