212206640

素因数分解:

$2^4\times 5^1\times {\mathrm{79}}^1\times {\mathrm{33577}}^1$

素因数の和:33669

約数の個数: 40

約数和(自身を含む): 499640640

約数和(自身を除く): 287434000

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 79, 80, 158, 316, 395, 632, 790, 1264, 1580, 3160, 6320, 33577, 67154, 134308, 167885, 268616, 335770, 537232, 671540, 1343080, 2652583, 2686160, 5305166, 10610332, 13262915, 21220664, 26525830, 42441328, 53051660, 106103320, 212206640]

約数ペア:

[(1, 212206640), (2, 106103320), (4, 53051660), (5, 42441328), (8, 26525830), (10, 21220664), (16, 13262915), (20, 10610332), (40, 5305166), (79, 2686160), (80, 2652583), (158, 1343080), (316, 671540), (395, 537232), (632, 335770), (790, 268616), (1264, 167885), (1580, 134308), (3160, 67154), (6320, 33577)]