65816140

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{163}}^1\times {\mathrm{1553}}^1$

素因数の和:1738

約数の個数: 48

約数和(自身を含む): 149855328

約数和(自身を除く): 84039188

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 163, 260, 326, 652, 815, 1553, 1630, 2119, 3106, 3260, 4238, 6212, 7765, 8476, 10595, 15530, 20189, 21190, 31060, 40378, 42380, 80756, 100945, 201890, 253139, 403780, 506278, 1012556, 1265695, 2531390, 3290807, 5062780, 6581614, 13163228, 16454035, 32908070, 65816140]

約数ペア:

[(1, 65816140), (2, 32908070), (4, 16454035), (5, 13163228), (10, 6581614), (13, 5062780), (20, 3290807), (26, 2531390), (52, 1265695), (65, 1012556), (130, 506278), (163, 403780), (260, 253139), (326, 201890), (652, 100945), (815, 80756), (1553, 42380), (1630, 40378), (2119, 31060), (3106, 21190), (3260, 20189), (4238, 15530), (6212, 10595), (7765, 8476)]