80525560

素因数分解:

$2^3\times 5^1\times {\mathrm{59}}^1\times {\mathrm{149}}^1\times {\mathrm{229}}^1$

素因数の和:448

約数の個数: 64

約数和(自身を含む): 186300000

約数和(自身を除く): 105774440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 59, 118, 149, 229, 236, 295, 298, 458, 472, 590, 596, 745, 916, 1145, 1180, 1192, 1490, 1832, 2290, 2360, 2980, 4580, 5960, 8791, 9160, 13511, 17582, 27022, 34121, 35164, 43955, 54044, 67555, 68242, 70328, 87910, 108088, 135110, 136484, 170605, 175820, 270220, 272968, 341210, 351640, 540440, 682420, 1364840, 2013139, 4026278, 8052556, 10065695, 16105112, 20131390, 40262780, 80525560]

約数ペア:

[(1, 80525560), (2, 40262780), (4, 20131390), (5, 16105112), (8, 10065695), (10, 8052556), (20, 4026278), (40, 2013139), (59, 1364840), (118, 682420), (149, 540440), (229, 351640), (236, 341210), (295, 272968), (298, 270220), (458, 175820), (472, 170605), (590, 136484), (596, 135110), (745, 108088), (916, 87910), (1145, 70328), (1180, 68242), (1192, 67555), (1490, 54044), (1832, 43955), (2290, 35164), (2360, 34121), (2980, 27022), (4580, 17582), (5960, 13511), (8791, 9160)]