40490728

素因数分解:

$2^3\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{53}}^1\times {\mathrm{89}}^1$

素因数の和:214

約数の個数: 64

約数和(自身を含む): 83106000

約数和(自身を除く): 42615272

約数列:

[1, 2, 4, 8, 29, 37, 53, 58, 74, 89, 106, 116, 148, 178, 212, 232, 296, 356, 424, 712, 1073, 1537, 1961, 2146, 2581, 3074, 3293, 3922, 4292, 4717, 5162, 6148, 6586, 7844, 8584, 9434, 10324, 12296, 13172, 15688, 18868, 20648, 26344, 37736, 56869, 95497, 113738, 136793, 174529, 190994, 227476, 273586, 349058, 381988, 454952, 547172, 698116, 763976, 1094344, 1396232, 5061341, 10122682, 20245364, 40490728]

約数ペア:

[(1, 40490728), (2, 20245364), (4, 10122682), (8, 5061341), (29, 1396232), (37, 1094344), (53, 763976), (58, 698116), (74, 547172), (89, 454952), (106, 381988), (116, 349058), (148, 273586), (178, 227476), (212, 190994), (232, 174529), (296, 136793), (356, 113738), (424, 95497), (712, 56869), (1073, 37736), (1537, 26344), (1961, 20648), (2146, 18868), (2581, 15688), (3074, 13172), (3293, 12296), (3922, 10324), (4292, 9434), (4717, 8584), (5162, 7844), (6148, 6586)]