68141840

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{65521}}^1$

素因数の和:65547

約数の個数: 40

約数和(自身を含む): 170619288

約数和(自身を除く): 102477448

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 65521, 131042, 262084, 327605, 524168, 655210, 851773, 1048336, 1310420, 1703546, 2620840, 3407092, 4258865, 5241680, 6814184, 8517730, 13628368, 17035460, 34070920, 68141840]

約数ペア:

[(1, 68141840), (2, 34070920), (4, 17035460), (5, 13628368), (8, 8517730), (10, 6814184), (13, 5241680), (16, 4258865), (20, 3407092), (26, 2620840), (40, 1703546), (52, 1310420), (65, 1048336), (80, 851773), (104, 655210), (130, 524168), (208, 327605), (260, 262084), (520, 131042), (1040, 65521)]