4947280

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{71}}^1$

素因数の和:164

約数の個数: 80

約数和(自身を含む): 12749184

約数和(自身を除く): 7801904

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 67, 71, 80, 104, 130, 134, 142, 208, 260, 268, 284, 335, 355, 520, 536, 568, 670, 710, 871, 923, 1040, 1072, 1136, 1340, 1420, 1742, 1846, 2680, 2840, 3484, 3692, 4355, 4615, 4757, 5360, 5680, 6968, 7384, 8710, 9230, 9514, 13936, 14768, 17420, 18460, 19028, 23785, 34840, 36920, 38056, 47570, 61841, 69680, 73840, 76112, 95140, 123682, 190280, 247364, 309205, 380560, 494728, 618410, 989456, 1236820, 2473640, 4947280]

約数ペア:

[(1, 4947280), (2, 2473640), (4, 1236820), (5, 989456), (8, 618410), (10, 494728), (13, 380560), (16, 309205), (20, 247364), (26, 190280), (40, 123682), (52, 95140), (65, 76112), (67, 73840), (71, 69680), (80, 61841), (104, 47570), (130, 38056), (134, 36920), (142, 34840), (208, 23785), (260, 19028), (268, 18460), (284, 17420), (335, 14768), (355, 13936), (520, 9514), (536, 9230), (568, 8710), (670, 7384), (710, 6968), (871, 5680), (923, 5360), (1040, 4757), (1072, 4615), (1136, 4355), (1340, 3692), (1420, 3484), (1742, 2840), (1846, 2680)]