54271160

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{139}}^1\times {\mathrm{227}}^1$

素因数の和:420

約数の個数: 64

約数和(自身を含む): 126403200

約数和(自身を除く): 72132040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 139, 172, 215, 227, 278, 344, 430, 454, 556, 695, 860, 908, 1112, 1135, 1390, 1720, 1816, 2270, 2780, 4540, 5560, 5977, 9080, 9761, 11954, 19522, 23908, 29885, 31553, 39044, 47816, 48805, 59770, 63106, 78088, 97610, 119540, 126212, 157765, 195220, 239080, 252424, 315530, 390440, 631060, 1262120, 1356779, 2713558, 5427116, 6783895, 10854232, 13567790, 27135580, 54271160]

約数ペア:

[(1, 54271160), (2, 27135580), (4, 13567790), (5, 10854232), (8, 6783895), (10, 5427116), (20, 2713558), (40, 1356779), (43, 1262120), (86, 631060), (139, 390440), (172, 315530), (215, 252424), (227, 239080), (278, 195220), (344, 157765), (430, 126212), (454, 119540), (556, 97610), (695, 78088), (860, 63106), (908, 59770), (1112, 48805), (1135, 47816), (1390, 39044), (1720, 31553), (1816, 29885), (2270, 23908), (2780, 19522), (4540, 11954), (5560, 9761), (5977, 9080)]