128953280

素因数分解:

$2^6\times 5^1\times {\mathrm{79}}^1\times {\mathrm{5101}}^1$

素因数の和:5197

約数の個数: 56

約数和(自身を含む): 311017920

約数和(自身を除く): 182064640

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 79, 80, 158, 160, 316, 320, 395, 632, 790, 1264, 1580, 2528, 3160, 5056, 5101, 6320, 10202, 12640, 20404, 25280, 25505, 40808, 51010, 81616, 102020, 163232, 204040, 326464, 402979, 408080, 805958, 816160, 1611916, 1632320, 2014895, 3223832, 4029790, 6447664, 8059580, 12895328, 16119160, 25790656, 32238320, 64476640, 128953280]

約数ペア:

[(1, 128953280), (2, 64476640), (4, 32238320), (5, 25790656), (8, 16119160), (10, 12895328), (16, 8059580), (20, 6447664), (32, 4029790), (40, 3223832), (64, 2014895), (79, 1632320), (80, 1611916), (158, 816160), (160, 805958), (316, 408080), (320, 402979), (395, 326464), (632, 204040), (790, 163232), (1264, 102020), (1580, 81616), (2528, 51010), (3160, 40808), (5056, 25505), (5101, 25280), (6320, 20404), (10202, 12640)]