26974340

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{139}}^1\times {\mathrm{313}}^1$

素因数の和:492

約数の個数: 48

約数和(自身を含む): 59082240

約数和(自身を除く): 32107900

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 139, 155, 278, 310, 313, 556, 620, 626, 695, 1252, 1390, 1565, 2780, 3130, 4309, 6260, 8618, 9703, 17236, 19406, 21545, 38812, 43090, 43507, 48515, 86180, 87014, 97030, 174028, 194060, 217535, 435070, 870140, 1348717, 2697434, 5394868, 6743585, 13487170, 26974340]

約数ペア:

[(1, 26974340), (2, 13487170), (4, 6743585), (5, 5394868), (10, 2697434), (20, 1348717), (31, 870140), (62, 435070), (124, 217535), (139, 194060), (155, 174028), (278, 97030), (310, 87014), (313, 86180), (556, 48515), (620, 43507), (626, 43090), (695, 38812), (1252, 21545), (1390, 19406), (1565, 17236), (2780, 9703), (3130, 8618), (4309, 6260)]