80075728

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{293}}^1$

素因数の和:380

約数の個数: 80

約数和(自身を含む): 174988800

約数和(自身を除く): 94913072

約数列:

[1, 2, 4, 8, 16, 19, 29, 31, 38, 58, 62, 76, 116, 124, 152, 232, 248, 293, 304, 464, 496, 551, 586, 589, 899, 1102, 1172, 1178, 1798, 2204, 2344, 2356, 3596, 4408, 4688, 4712, 5567, 7192, 8497, 8816, 9083, 9424, 11134, 14384, 16994, 17081, 18166, 22268, 33988, 34162, 36332, 44536, 67976, 68324, 72664, 89072, 135952, 136648, 145328, 161443, 172577, 263407, 273296, 322886, 345154, 526814, 645772, 690308, 1053628, 1291544, 1380616, 2107256, 2583088, 2761232, 4214512, 5004733, 10009466, 20018932, 40037864, 80075728]

約数ペア:

[(1, 80075728), (2, 40037864), (4, 20018932), (8, 10009466), (16, 5004733), (19, 4214512), (29, 2761232), (31, 2583088), (38, 2107256), (58, 1380616), (62, 1291544), (76, 1053628), (116, 690308), (124, 645772), (152, 526814), (232, 345154), (248, 322886), (293, 273296), (304, 263407), (464, 172577), (496, 161443), (551, 145328), (586, 136648), (589, 135952), (899, 89072), (1102, 72664), (1172, 68324), (1178, 67976), (1798, 44536), (2204, 36332), (2344, 34162), (2356, 33988), (3596, 22268), (4408, 18166), (4688, 17081), (4712, 16994), (5567, 14384), (7192, 11134), (8497, 9424), (8816, 9083)]