84685120

素因数分解:

$2^6\times 5^1\times {\mathrm{13}}^1\times {\mathrm{20357}}^1$

素因数の和:20387

約数の個数: 56

約数和(自身を含む): 217179144

約数和(自身を除く): 132494024

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 130, 160, 208, 260, 320, 416, 520, 832, 1040, 2080, 4160, 20357, 40714, 81428, 101785, 162856, 203570, 264641, 325712, 407140, 529282, 651424, 814280, 1058564, 1302848, 1323205, 1628560, 2117128, 2646410, 3257120, 4234256, 5292820, 6514240, 8468512, 10585640, 16937024, 21171280, 42342560, 84685120]

約数ペア:

[(1, 84685120), (2, 42342560), (4, 21171280), (5, 16937024), (8, 10585640), (10, 8468512), (13, 6514240), (16, 5292820), (20, 4234256), (26, 3257120), (32, 2646410), (40, 2117128), (52, 1628560), (64, 1323205), (65, 1302848), (80, 1058564), (104, 814280), (130, 651424), (160, 529282), (208, 407140), (260, 325712), (320, 264641), (416, 203570), (520, 162856), (832, 101785), (1040, 81428), (2080, 40714), (4160, 20357)]