84107140

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{7523}}^1$

素因数の和:7588

約数の個数: 48

約数和(自身を含む): 194660928

約数和(自身を除く): 110553788

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 43, 52, 65, 86, 130, 172, 215, 260, 430, 559, 860, 1118, 2236, 2795, 5590, 7523, 11180, 15046, 30092, 37615, 75230, 97799, 150460, 195598, 323489, 391196, 488995, 646978, 977990, 1293956, 1617445, 1955980, 3234890, 4205357, 6469780, 8410714, 16821428, 21026785, 42053570, 84107140]

約数ペア:

[(1, 84107140), (2, 42053570), (4, 21026785), (5, 16821428), (10, 8410714), (13, 6469780), (20, 4205357), (26, 3234890), (43, 1955980), (52, 1617445), (65, 1293956), (86, 977990), (130, 646978), (172, 488995), (215, 391196), (260, 323489), (430, 195598), (559, 150460), (860, 97799), (1118, 75230), (2236, 37615), (2795, 30092), (5590, 15046), (7523, 11180)]