140971720

素因数分解:

$2^3\times 5^1\times {\mathrm{131}}^1\times {\mathrm{26903}}^1$

素因数の和:27045

約数の個数: 32

約数和(自身を含む): 319619520

約数和(自身を除く): 178647800

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 131, 262, 524, 655, 1048, 1310, 2620, 5240, 26903, 53806, 107612, 134515, 215224, 269030, 538060, 1076120, 3524293, 7048586, 14097172, 17621465, 28194344, 35242930, 70485860, 140971720]

約数ペア:

[(1, 140971720), (2, 70485860), (4, 35242930), (5, 28194344), (8, 17621465), (10, 14097172), (20, 7048586), (40, 3524293), (131, 1076120), (262, 538060), (524, 269030), (655, 215224), (1048, 134515), (1310, 107612), (2620, 53806), (5240, 26903)]