80496488560

素因数分解:

$2^4\times 5^1\times {\mathrm{71}}^1\times {\mathrm{1451}}^1\times {\mathrm{9767}}^1$

素因数の和:11302

約数の個数: 80

約数和(自身を含む): 189940557312

約数和(自身を除く): 109444068752

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 71, 80, 142, 284, 355, 568, 710, 1136, 1420, 1451, 2840, 2902, 5680, 5804, 7255, 9767, 11608, 14510, 19534, 23216, 29020, 39068, 48835, 58040, 78136, 97670, 103021, 116080, 156272, 195340, 206042, 390680, 412084, 515105, 693457, 781360, 824168, 1030210, 1386914, 1648336, 2060420, 2773828, 3467285, 4120840, 5547656, 6934570, 8241680, 11095312, 13869140, 14171917, 27738280, 28343834, 55476560, 56687668, 70859585, 113375336, 141719170, 226750672, 283438340, 566876680, 1006206107, 1133753360, 2012412214, 4024824428, 5031030535, 8049648856, 10062061070, 16099297712, 20124122140, 40248244280, 80496488560]

約数ペア:

[(1, 80496488560), (2, 40248244280), (4, 20124122140), (5, 16099297712), (8, 10062061070), (10, 8049648856), (16, 5031030535), (20, 4024824428), (40, 2012412214), (71, 1133753360), (80, 1006206107), (142, 566876680), (284, 283438340), (355, 226750672), (568, 141719170), (710, 113375336), (1136, 70859585), (1420, 56687668), (1451, 55476560), (2840, 28343834), (2902, 27738280), (5680, 14171917), (5804, 13869140), (7255, 11095312), (9767, 8241680), (11608, 6934570), (14510, 5547656), (19534, 4120840), (23216, 3467285), (29020, 2773828), (39068, 2060420), (48835, 1648336), (58040, 1386914), (78136, 1030210), (97670, 824168), (103021, 781360), (116080, 693457), (156272, 515105), (195340, 412084), (206042, 390680)]