202102640

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{227}}^1\times {\mathrm{359}}^1$

素因数の和:630

約数の個数: 80

約数和(自身を含む): 488540160

約数和(自身を除く): 286437520

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 227, 248, 310, 359, 454, 496, 620, 718, 908, 1135, 1240, 1436, 1795, 1816, 2270, 2480, 2872, 3590, 3632, 4540, 5744, 7037, 7180, 9080, 11129, 14074, 14360, 18160, 22258, 28148, 28720, 35185, 44516, 55645, 56296, 70370, 81493, 89032, 111290, 112592, 140740, 162986, 178064, 222580, 281480, 325972, 407465, 445160, 562960, 651944, 814930, 890320, 1303888, 1629860, 2526283, 3259720, 5052566, 6519440, 10105132, 12631415, 20210264, 25262830, 40420528, 50525660, 101051320, 202102640]

約数ペア:

[(1, 202102640), (2, 101051320), (4, 50525660), (5, 40420528), (8, 25262830), (10, 20210264), (16, 12631415), (20, 10105132), (31, 6519440), (40, 5052566), (62, 3259720), (80, 2526283), (124, 1629860), (155, 1303888), (227, 890320), (248, 814930), (310, 651944), (359, 562960), (454, 445160), (496, 407465), (620, 325972), (718, 281480), (908, 222580), (1135, 178064), (1240, 162986), (1436, 140740), (1795, 112592), (1816, 111290), (2270, 89032), (2480, 81493), (2872, 70370), (3590, 56296), (3632, 55645), (4540, 44516), (5744, 35185), (7037, 28720), (7180, 28148), (9080, 22258), (11129, 18160), (14074, 14360)]