156920896520

素因数分解:

$2^3\times 5^1\times {\mathrm{193}}^1\times {\mathrm{941}}^1\times {\mathrm{21601}}^1$

素因数の和:22746

約数の個数: 64

約数和(自身を含む): 355295006640

約数和(自身を除く): 198374110120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 193, 386, 772, 941, 965, 1544, 1882, 1930, 3764, 3860, 4705, 7528, 7720, 9410, 18820, 21601, 37640, 43202, 86404, 108005, 172808, 181613, 216010, 363226, 432020, 726452, 864040, 908065, 1452904, 1816130, 3632260, 4168993, 7264520, 8337986, 16675972, 20326541, 20844965, 33351944, 40653082, 41689930, 81306164, 83379860, 101632705, 162612328, 166759720, 203265410, 406530820, 813061640, 3923022413, 7846044826, 15692089652, 19615112065, 31384179304, 39230224130, 78460448260, 156920896520]

約数ペア:

[(1, 156920896520), (2, 78460448260), (4, 39230224130), (5, 31384179304), (8, 19615112065), (10, 15692089652), (20, 7846044826), (40, 3923022413), (193, 813061640), (386, 406530820), (772, 203265410), (941, 166759720), (965, 162612328), (1544, 101632705), (1882, 83379860), (1930, 81306164), (3764, 41689930), (3860, 40653082), (4705, 33351944), (7528, 20844965), (7720, 20326541), (9410, 16675972), (18820, 8337986), (21601, 7264520), (37640, 4168993), (43202, 3632260), (86404, 1816130), (108005, 1452904), (172808, 908065), (181613, 864040), (216010, 726452), (363226, 432020)]