64476640

素因数分解:

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

素因数の和:5195

約数の個数: 48

約数和(自身を含む): 154284480

約数和(自身を除く): 89807840

約数列:

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

約数ペア:

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