40756720

素因数分解:

$2^4\times 5^1\times {\mathrm{131}}^1\times {\mathrm{3889}}^1$

素因数の和:4033

約数の個数: 40

約数和(自身を含む): 95507280

約数和(自身を除く): 54750560

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 131, 262, 524, 655, 1048, 1310, 2096, 2620, 3889, 5240, 7778, 10480, 15556, 19445, 31112, 38890, 62224, 77780, 155560, 311120, 509459, 1018918, 2037836, 2547295, 4075672, 5094590, 8151344, 10189180, 20378360, 40756720]

約数ペア:

[(1, 40756720), (2, 20378360), (4, 10189180), (5, 8151344), (8, 5094590), (10, 4075672), (16, 2547295), (20, 2037836), (40, 1018918), (80, 509459), (131, 311120), (262, 155560), (524, 77780), (655, 62224), (1048, 38890), (1310, 31112), (2096, 19445), (2620, 15556), (3889, 10480), (5240, 7778)]