47839280

素因数分解:

$2^4\times 5^1\times {\mathrm{89}}^1\times {\mathrm{6719}}^1$

素因数の和:6821

約数の個数: 40

約数和(自身を含む): 112492800

約数和(自身を除く): 64653520

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 89, 178, 356, 445, 712, 890, 1424, 1780, 3560, 6719, 7120, 13438, 26876, 33595, 53752, 67190, 107504, 134380, 268760, 537520, 597991, 1195982, 2391964, 2989955, 4783928, 5979910, 9567856, 11959820, 23919640, 47839280]

約数ペア:

[(1, 47839280), (2, 23919640), (4, 11959820), (5, 9567856), (8, 5979910), (10, 4783928), (16, 2989955), (20, 2391964), (40, 1195982), (80, 597991), (89, 537520), (178, 268760), (356, 134380), (445, 107504), (712, 67190), (890, 53752), (1424, 33595), (1780, 26876), (3560, 13438), (6719, 7120)]