40487920

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{139}}^1\times {\mathrm{331}}^1$

素因数の和:494

約数の個数: 80

約数和(自身を含む): 103743360

約数和(自身を除く): 63255440

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 139, 176, 220, 278, 331, 440, 556, 662, 695, 880, 1112, 1324, 1390, 1529, 1655, 2224, 2648, 2780, 3058, 3310, 3641, 5296, 5560, 6116, 6620, 7282, 7645, 11120, 12232, 13240, 14564, 15290, 18205, 24464, 26480, 29128, 30580, 36410, 46009, 58256, 61160, 72820, 92018, 122320, 145640, 184036, 230045, 291280, 368072, 460090, 506099, 736144, 920180, 1012198, 1840360, 2024396, 2530495, 3680720, 4048792, 5060990, 8097584, 10121980, 20243960, 40487920]

約数ペア:

[(1, 40487920), (2, 20243960), (4, 10121980), (5, 8097584), (8, 5060990), (10, 4048792), (11, 3680720), (16, 2530495), (20, 2024396), (22, 1840360), (40, 1012198), (44, 920180), (55, 736144), (80, 506099), (88, 460090), (110, 368072), (139, 291280), (176, 230045), (220, 184036), (278, 145640), (331, 122320), (440, 92018), (556, 72820), (662, 61160), (695, 58256), (880, 46009), (1112, 36410), (1324, 30580), (1390, 29128), (1529, 26480), (1655, 24464), (2224, 18205), (2648, 15290), (2780, 14564), (3058, 13240), (3310, 12232), (3641, 11120), (5296, 7645), (5560, 7282), (6116, 6620)]