79987340

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{5689}}^1$

素因数の和:5754

約数の個数: 48

約数和(自身を含む): 181624800

約数和(自身を除く): 101637460

約数列:

[1, 2, 4, 5, 10, 19, 20, 37, 38, 74, 76, 95, 148, 185, 190, 370, 380, 703, 740, 1406, 2812, 3515, 5689, 7030, 11378, 14060, 22756, 28445, 56890, 108091, 113780, 210493, 216182, 420986, 432364, 540455, 841972, 1052465, 1080910, 2104930, 2161820, 3999367, 4209860, 7998734, 15997468, 19996835, 39993670, 79987340]

約数ペア:

[(1, 79987340), (2, 39993670), (4, 19996835), (5, 15997468), (10, 7998734), (19, 4209860), (20, 3999367), (37, 2161820), (38, 2104930), (74, 1080910), (76, 1052465), (95, 841972), (148, 540455), (185, 432364), (190, 420986), (370, 216182), (380, 210493), (703, 113780), (740, 108091), (1406, 56890), (2812, 28445), (3515, 22756), (5689, 14060), (7030, 11378)]