17772920

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{1303}}^1$

素因数の和:1356

約数の個数: 64

約数和(自身を含む): 45066240

約数和(自身を除く): 27293320

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, 1303, 1364, 1705, 2606, 2728, 3410, 5212, 6515, 6820, 10424, 13030, 13640, 14333, 26060, 28666, 40393, 52120, 57332, 71665, 80786, 114664, 143330, 161572, 201965, 286660, 323144, 403930, 444323, 573320, 807860, 888646, 1615720, 1777292, 2221615, 3554584, 4443230, 8886460, 17772920]

約数ペア:

[(1, 17772920), (2, 8886460), (4, 4443230), (5, 3554584), (8, 2221615), (10, 1777292), (11, 1615720), (20, 888646), (22, 807860), (31, 573320), (40, 444323), (44, 403930), (55, 323144), (62, 286660), (88, 201965), (110, 161572), (124, 143330), (155, 114664), (220, 80786), (248, 71665), (310, 57332), (341, 52120), (440, 40393), (620, 28666), (682, 26060), (1240, 14333), (1303, 13640), (1364, 13030), (1705, 10424), (2606, 6820), (2728, 6515), (3410, 5212)]