39155560

素因数分解:

$2^3\times 5^1\times {\mathrm{79}}^1\times {\mathrm{12391}}^1$

素因数の和:12481

約数の個数: 32

約数和(自身を含む): 89222400

約数和(自身を除く): 50066840

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 79, 158, 316, 395, 632, 790, 1580, 3160, 12391, 24782, 49564, 61955, 99128, 123910, 247820, 495640, 978889, 1957778, 3915556, 4894445, 7831112, 9788890, 19577780, 39155560]

約数ペア:

[(1, 39155560), (2, 19577780), (4, 9788890), (5, 7831112), (8, 4894445), (10, 3915556), (20, 1957778), (40, 978889), (79, 495640), (158, 247820), (316, 123910), (395, 99128), (632, 61955), (790, 49564), (1580, 24782), (3160, 12391)]