11840120

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{59}}^1\times {\mathrm{173}}^1$

素因数の和:272

約数の個数: 64

約数和(自身を含む): 28188000

約数和(自身を除く): 16347880

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 58, 59, 116, 118, 145, 173, 232, 236, 290, 295, 346, 472, 580, 590, 692, 865, 1160, 1180, 1384, 1711, 1730, 2360, 3422, 3460, 5017, 6844, 6920, 8555, 10034, 10207, 13688, 17110, 20068, 20414, 25085, 34220, 40136, 40828, 50170, 51035, 68440, 81656, 100340, 102070, 200680, 204140, 296003, 408280, 592006, 1184012, 1480015, 2368024, 2960030, 5920060, 11840120]

約数ペア:

[(1, 11840120), (2, 5920060), (4, 2960030), (5, 2368024), (8, 1480015), (10, 1184012), (20, 592006), (29, 408280), (40, 296003), (58, 204140), (59, 200680), (116, 102070), (118, 100340), (145, 81656), (173, 68440), (232, 51035), (236, 50170), (290, 40828), (295, 40136), (346, 34220), (472, 25085), (580, 20414), (590, 20068), (692, 17110), (865, 13688), (1160, 10207), (1180, 10034), (1384, 8555), (1711, 6920), (1730, 6844), (2360, 5017), (3422, 3460)]