140224760

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{269663}}^1$

素因数の和:269687

約数の個数: 32

約数和(自身を含む): 339776640

約数和(自身を除く): 199551880

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 269663, 539326, 1078652, 1348315, 2157304, 2696630, 3505619, 5393260, 7011238, 10786520, 14022476, 17528095, 28044952, 35056190, 70112380, 140224760]

約数ペア:

[(1, 140224760), (2, 70112380), (4, 35056190), (5, 28044952), (8, 17528095), (10, 14022476), (13, 10786520), (20, 7011238), (26, 5393260), (40, 3505619), (52, 2696630), (65, 2157304), (104, 1348315), (130, 1078652), (260, 539326), (520, 269663)]