80280640

素因数分解:

$2^6\times 5^1\times {\mathrm{11}}^1\times {\mathrm{22807}}^1$

素因数の和:22835

約数の個数: 56

約数和(自身を含む): 208556352

約数和(自身を除く): 128275712

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 64, 80, 88, 110, 160, 176, 220, 320, 352, 440, 704, 880, 1760, 3520, 22807, 45614, 91228, 114035, 182456, 228070, 250877, 364912, 456140, 501754, 729824, 912280, 1003508, 1254385, 1459648, 1824560, 2007016, 2508770, 3649120, 4014032, 5017540, 7298240, 8028064, 10035080, 16056128, 20070160, 40140320, 80280640]

約数ペア:

[(1, 80280640), (2, 40140320), (4, 20070160), (5, 16056128), (8, 10035080), (10, 8028064), (11, 7298240), (16, 5017540), (20, 4014032), (22, 3649120), (32, 2508770), (40, 2007016), (44, 1824560), (55, 1459648), (64, 1254385), (80, 1003508), (88, 912280), (110, 729824), (160, 501754), (176, 456140), (220, 364912), (320, 250877), (352, 228070), (440, 182456), (704, 114035), (880, 91228), (1760, 45614), (3520, 22807)]