8347840

素因数分解:

$2^6\times 5^1\times {\mathrm{19}}^1\times {\mathrm{1373}}^1$

素因数の和:1409

約数の個数: 56

約数和(自身を含む): 20939760

約数和(自身を除く): 12591920

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 64, 76, 80, 95, 152, 160, 190, 304, 320, 380, 608, 760, 1216, 1373, 1520, 2746, 3040, 5492, 6080, 6865, 10984, 13730, 21968, 26087, 27460, 43936, 52174, 54920, 87872, 104348, 109840, 130435, 208696, 219680, 260870, 417392, 439360, 521740, 834784, 1043480, 1669568, 2086960, 4173920, 8347840]

約数ペア:

[(1, 8347840), (2, 4173920), (4, 2086960), (5, 1669568), (8, 1043480), (10, 834784), (16, 521740), (19, 439360), (20, 417392), (32, 260870), (38, 219680), (40, 208696), (64, 130435), (76, 109840), (80, 104348), (95, 87872), (152, 54920), (160, 52174), (190, 43936), (304, 27460), (320, 26087), (380, 21968), (608, 13730), (760, 10984), (1216, 6865), (1373, 6080), (1520, 5492), (2746, 3040)]