1685280280

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{1359097}}^1$

素因数の和:1359139

約数の個数: 32

約数和(自身を含む): 3914202240

約数和(自身を除く): 2228921960

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 1359097, 2718194, 5436388, 6795485, 10872776, 13590970, 27181940, 42132007, 54363880, 84264014, 168528028, 210660035, 337056056, 421320070, 842640140, 1685280280]

約数ペア:

[(1, 1685280280), (2, 842640140), (4, 421320070), (5, 337056056), (8, 210660035), (10, 168528028), (20, 84264014), (31, 54363880), (40, 42132007), (62, 27181940), (124, 13590970), (155, 10872776), (248, 6795485), (310, 5436388), (620, 2718194), (1240, 1359097)]