1374880

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{661}}^1$

素因数の和:689

約数の個数: 48

約数和(自身を含む): 3503304

約数和(自身を除く): 2128424

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, 661, 1040, 1322, 2080, 2644, 3305, 5288, 6610, 8593, 10576, 13220, 17186, 21152, 26440, 34372, 42965, 52880, 68744, 85930, 105760, 137488, 171860, 274976, 343720, 687440, 1374880]

約数ペア:

[(1, 1374880), (2, 687440), (4, 343720), (5, 274976), (8, 171860), (10, 137488), (13, 105760), (16, 85930), (20, 68744), (26, 52880), (32, 42965), (40, 34372), (52, 26440), (65, 21152), (80, 17186), (104, 13220), (130, 10576), (160, 8593), (208, 6610), (260, 5288), (416, 3305), (520, 2644), (661, 2080), (1040, 1322)]