80703200

素因数分解:

$2^5\times 5^2\times {\mathrm{281}}^1\times {\mathrm{359}}^1$

素因数の和:660

約数の個数: 72

約数和(自身を含む): 198268560

約数和(自身を除く): 117565360

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 80, 100, 160, 200, 281, 359, 400, 562, 718, 800, 1124, 1405, 1436, 1795, 2248, 2810, 2872, 3590, 4496, 5620, 5744, 7025, 7180, 8975, 8992, 11240, 11488, 14050, 14360, 17950, 22480, 28100, 28720, 35900, 44960, 56200, 57440, 71800, 100879, 112400, 143600, 201758, 224800, 287200, 403516, 504395, 807032, 1008790, 1614064, 2017580, 2521975, 3228128, 4035160, 5043950, 8070320, 10087900, 16140640, 20175800, 40351600, 80703200]

約数ペア:

[(1, 80703200), (2, 40351600), (4, 20175800), (5, 16140640), (8, 10087900), (10, 8070320), (16, 5043950), (20, 4035160), (25, 3228128), (32, 2521975), (40, 2017580), (50, 1614064), (80, 1008790), (100, 807032), (160, 504395), (200, 403516), (281, 287200), (359, 224800), (400, 201758), (562, 143600), (718, 112400), (800, 100879), (1124, 71800), (1405, 57440), (1436, 56200), (1795, 44960), (2248, 35900), (2810, 28720), (2872, 28100), (3590, 22480), (4496, 17950), (5620, 14360), (5744, 14050), (7025, 11488), (7180, 11240), (8975, 8992)]