78006400

素因数分解:

$2^7\times 5^2\times {\mathrm{19}}^1\times {\mathrm{1283}}^1$

素因数の和:1326

約数の個数: 96

約数和(自身を含む): 203000400

約数和(自身を除く): 124994000

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 25, 32, 38, 40, 50, 64, 76, 80, 95, 100, 128, 152, 160, 190, 200, 304, 320, 380, 400, 475, 608, 640, 760, 800, 950, 1216, 1283, 1520, 1600, 1900, 2432, 2566, 3040, 3200, 3800, 5132, 6080, 6415, 7600, 10264, 12160, 12830, 15200, 20528, 24377, 25660, 30400, 32075, 41056, 48754, 51320, 60800, 64150, 82112, 97508, 102640, 121885, 128300, 164224, 195016, 205280, 243770, 256600, 390032, 410560, 487540, 513200, 609425, 780064, 821120, 975080, 1026400, 1218850, 1560128, 1950160, 2052800, 2437700, 3120256, 3900320, 4105600, 4875400, 7800640, 9750800, 15601280, 19501600, 39003200, 78006400]

約数ペア:

[(1, 78006400), (2, 39003200), (4, 19501600), (5, 15601280), (8, 9750800), (10, 7800640), (16, 4875400), (19, 4105600), (20, 3900320), (25, 3120256), (32, 2437700), (38, 2052800), (40, 1950160), (50, 1560128), (64, 1218850), (76, 1026400), (80, 975080), (95, 821120), (100, 780064), (128, 609425), (152, 513200), (160, 487540), (190, 410560), (200, 390032), (304, 256600), (320, 243770), (380, 205280), (400, 195016), (475, 164224), (608, 128300), (640, 121885), (760, 102640), (800, 97508), (950, 82112), (1216, 64150), (1283, 60800), (1520, 51320), (1600, 48754), (1900, 41056), (2432, 32075), (2566, 30400), (3040, 25660), (3200, 24377), (3800, 20528), (5132, 15200), (6080, 12830), (6415, 12160), (7600, 10264)]