80975840

素因数分解:

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

素因数の和:496

約数の個数: 96

約数和(自身を含む): 210833280

約数和(自身を除く): 129857440

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 80, 88, 110, 139, 160, 176, 220, 278, 331, 352, 440, 556, 662, 695, 880, 1112, 1324, 1390, 1529, 1655, 1760, 2224, 2648, 2780, 3058, 3310, 3641, 4448, 5296, 5560, 6116, 6620, 7282, 7645, 10592, 11120, 12232, 13240, 14564, 15290, 18205, 22240, 24464, 26480, 29128, 30580, 36410, 46009, 48928, 52960, 58256, 61160, 72820, 92018, 116512, 122320, 145640, 184036, 230045, 244640, 291280, 368072, 460090, 506099, 582560, 736144, 920180, 1012198, 1472288, 1840360, 2024396, 2530495, 3680720, 4048792, 5060990, 7361440, 8097584, 10121980, 16195168, 20243960, 40487920, 80975840]

約数ペア:

[(1, 80975840), (2, 40487920), (4, 20243960), (5, 16195168), (8, 10121980), (10, 8097584), (11, 7361440), (16, 5060990), (20, 4048792), (22, 3680720), (32, 2530495), (40, 2024396), (44, 1840360), (55, 1472288), (80, 1012198), (88, 920180), (110, 736144), (139, 582560), (160, 506099), (176, 460090), (220, 368072), (278, 291280), (331, 244640), (352, 230045), (440, 184036), (556, 145640), (662, 122320), (695, 116512), (880, 92018), (1112, 72820), (1324, 61160), (1390, 58256), (1529, 52960), (1655, 48928), (1760, 46009), (2224, 36410), (2648, 30580), (2780, 29128), (3058, 26480), (3310, 24464), (3641, 22240), (4448, 18205), (5296, 15290), (5560, 14564), (6116, 13240), (6620, 12232), (7282, 11120), (7645, 10592)]