64149280

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{30841}}^1$

素因数の和:30869

約数の個数: 48

約数和(自身を含む): 163215864

約数和(自身を除く): 99066584

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 65, 80, 104, 130, 160, 208, 260, 416, 520, 1040, 2080, 30841, 61682, 123364, 154205, 246728, 308410, 400933, 493456, 616820, 801866, 986912, 1233640, 1603732, 2004665, 2467280, 3207464, 4009330, 4934560, 6414928, 8018660, 12829856, 16037320, 32074640, 64149280]

約数ペア:

[(1, 64149280), (2, 32074640), (4, 16037320), (5, 12829856), (8, 8018660), (10, 6414928), (13, 4934560), (16, 4009330), (20, 3207464), (26, 2467280), (32, 2004665), (40, 1603732), (52, 1233640), (65, 986912), (80, 801866), (104, 616820), (130, 493456), (160, 400933), (208, 308410), (260, 246728), (416, 154205), (520, 123364), (1040, 61682), (2080, 30841)]