76776580

素因数分解:

$2^2\times 5^1\times {\mathrm{127}}^1\times {\mathrm{167}}^1\times {\mathrm{181}}^1$

素因数の和:484

約数の個数: 48

約数和(自身を含む): 164376576

約数和(自身を除く): 87599996

約数列:

[1, 2, 4, 5, 10, 20, 127, 167, 181, 254, 334, 362, 508, 635, 668, 724, 835, 905, 1270, 1670, 1810, 2540, 3340, 3620, 21209, 22987, 30227, 42418, 45974, 60454, 84836, 91948, 106045, 114935, 120908, 151135, 212090, 229870, 302270, 424180, 459740, 604540, 3838829, 7677658, 15355316, 19194145, 38388290, 76776580]

約数ペア:

[(1, 76776580), (2, 38388290), (4, 19194145), (5, 15355316), (10, 7677658), (20, 3838829), (127, 604540), (167, 459740), (181, 424180), (254, 302270), (334, 229870), (362, 212090), (508, 151135), (635, 120908), (668, 114935), (724, 106045), (835, 91948), (905, 84836), (1270, 60454), (1670, 45974), (1810, 42418), (2540, 30227), (3340, 22987), (3620, 21209)]