405667120

素因数分解:

$2^4\times 5^1\times {\mathrm{41}}^1\times {\mathrm{337}}^1\times {\mathrm{367}}^1$

素因数の和:758

約数の個数: 80

約数和(自身を含む): 971687808

約数和(自身を除く): 566020688

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 41, 80, 82, 164, 205, 328, 337, 367, 410, 656, 674, 734, 820, 1348, 1468, 1640, 1685, 1835, 2696, 2936, 3280, 3370, 3670, 5392, 5872, 6740, 7340, 13480, 13817, 14680, 15047, 26960, 27634, 29360, 30094, 55268, 60188, 69085, 75235, 110536, 120376, 123679, 138170, 150470, 221072, 240752, 247358, 276340, 300940, 494716, 552680, 601880, 618395, 989432, 1105360, 1203760, 1236790, 1978864, 2473580, 4947160, 5070839, 9894320, 10141678, 20283356, 25354195, 40566712, 50708390, 81133424, 101416780, 202833560, 405667120]

約数ペア:

[(1, 405667120), (2, 202833560), (4, 101416780), (5, 81133424), (8, 50708390), (10, 40566712), (16, 25354195), (20, 20283356), (40, 10141678), (41, 9894320), (80, 5070839), (82, 4947160), (164, 2473580), (205, 1978864), (328, 1236790), (337, 1203760), (367, 1105360), (410, 989432), (656, 618395), (674, 601880), (734, 552680), (820, 494716), (1348, 300940), (1468, 276340), (1640, 247358), (1685, 240752), (1835, 221072), (2696, 150470), (2936, 138170), (3280, 123679), (3370, 120376), (3670, 110536), (5392, 75235), (5872, 69085), (6740, 60188), (7340, 55268), (13480, 30094), (13817, 29360), (14680, 27634), (15047, 26960)]