40027760

素因数分解:

$2^4\times 5^1\times {\mathrm{509}}^1\times {\mathrm{983}}^1$

素因数の和:1505

約数の個数: 40

約数和(自身を含む): 93342240

約数和(自身を除く): 53314480

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 509, 983, 1018, 1966, 2036, 2545, 3932, 4072, 4915, 5090, 7864, 8144, 9830, 10180, 15728, 19660, 20360, 39320, 40720, 78640, 500347, 1000694, 2001388, 2501735, 4002776, 5003470, 8005552, 10006940, 20013880, 40027760]

約数ペア:

[(1, 40027760), (2, 20013880), (4, 10006940), (5, 8005552), (8, 5003470), (10, 4002776), (16, 2501735), (20, 2001388), (40, 1000694), (80, 500347), (509, 78640), (983, 40720), (1018, 39320), (1966, 20360), (2036, 19660), (2545, 15728), (3932, 10180), (4072, 9830), (4915, 8144), (5090, 7864)]