80844280

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{5927}}^1$

素因数の和:5980

約数の個数: 64

約数和(自身を含む): 204871680

約数和(自身を除く): 124027400

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 31, 40, 44, 55, 62, 88, 110, 124, 155, 220, 248, 310, 341, 440, 620, 682, 1240, 1364, 1705, 2728, 3410, 5927, 6820, 11854, 13640, 23708, 29635, 47416, 59270, 65197, 118540, 130394, 183737, 237080, 260788, 325985, 367474, 521576, 651970, 734948, 918685, 1303940, 1469896, 1837370, 2021107, 2607880, 3674740, 4042214, 7349480, 8084428, 10105535, 16168856, 20211070, 40422140, 80844280]

約数ペア:

[(1, 80844280), (2, 40422140), (4, 20211070), (5, 16168856), (8, 10105535), (10, 8084428), (11, 7349480), (20, 4042214), (22, 3674740), (31, 2607880), (40, 2021107), (44, 1837370), (55, 1469896), (62, 1303940), (88, 918685), (110, 734948), (124, 651970), (155, 521576), (220, 367474), (248, 325985), (310, 260788), (341, 237080), (440, 183737), (620, 130394), (682, 118540), (1240, 65197), (1364, 59270), (1705, 47416), (2728, 29635), (3410, 23708), (5927, 13640), (6820, 11854)]