28845140

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{1213}}^1$

素因数の和:1292

約数の個数: 48

約数和(自身を含む): 64244880

約数和(自身を除く): 35399740

約数列:

[1, 2, 4, 5, 10, 20, 29, 41, 58, 82, 116, 145, 164, 205, 290, 410, 580, 820, 1189, 1213, 2378, 2426, 4756, 4852, 5945, 6065, 11890, 12130, 23780, 24260, 35177, 49733, 70354, 99466, 140708, 175885, 198932, 248665, 351770, 497330, 703540, 994660, 1442257, 2884514, 5769028, 7211285, 14422570, 28845140]

約数ペア:

[(1, 28845140), (2, 14422570), (4, 7211285), (5, 5769028), (10, 2884514), (20, 1442257), (29, 994660), (41, 703540), (58, 497330), (82, 351770), (116, 248665), (145, 198932), (164, 175885), (205, 140708), (290, 99466), (410, 70354), (580, 49733), (820, 35177), (1189, 24260), (1213, 23780), (2378, 12130), (2426, 11890), (4756, 6065), (4852, 5945)]