78556400

素因数分解:

$2^4\times 5^2\times {\mathrm{13}}^1\times {\mathrm{15107}}^1$

素因数の和:15138

約数の個数: 60

約数和(自身を含む): 203263032

約数和(自身を除く): 124706632

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 40, 50, 52, 65, 80, 100, 104, 130, 200, 208, 260, 325, 400, 520, 650, 1040, 1300, 2600, 5200, 15107, 30214, 60428, 75535, 120856, 151070, 196391, 241712, 302140, 377675, 392782, 604280, 755350, 785564, 981955, 1208560, 1510700, 1571128, 1963910, 3021400, 3142256, 3927820, 4909775, 6042800, 7855640, 9819550, 15711280, 19639100, 39278200, 78556400]

約数ペア:

[(1, 78556400), (2, 39278200), (4, 19639100), (5, 15711280), (8, 9819550), (10, 7855640), (13, 6042800), (16, 4909775), (20, 3927820), (25, 3142256), (26, 3021400), (40, 1963910), (50, 1571128), (52, 1510700), (65, 1208560), (80, 981955), (100, 785564), (104, 755350), (130, 604280), (200, 392782), (208, 377675), (260, 302140), (325, 241712), (400, 196391), (520, 151070), (650, 120856), (1040, 75535), (1300, 60428), (2600, 30214), (5200, 15107)]