86701420

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^2\times {\mathrm{347}}^1$

素因数の和:431

約数の個数: 72

約数和(自身を含む): 203191632

約数和(自身を除く): 116490212

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 31, 52, 62, 65, 124, 130, 155, 260, 310, 347, 403, 620, 694, 806, 961, 1388, 1612, 1735, 1922, 2015, 3470, 3844, 4030, 4511, 4805, 6940, 8060, 9022, 9610, 10757, 12493, 18044, 19220, 21514, 22555, 24986, 43028, 45110, 49972, 53785, 62465, 90220, 107570, 124930, 139841, 215140, 249860, 279682, 333467, 559364, 666934, 699205, 1333868, 1398410, 1667335, 2796820, 3334670, 4335071, 6669340, 8670142, 17340284, 21675355, 43350710, 86701420]

約数ペア:

[(1, 86701420), (2, 43350710), (4, 21675355), (5, 17340284), (10, 8670142), (13, 6669340), (20, 4335071), (26, 3334670), (31, 2796820), (52, 1667335), (62, 1398410), (65, 1333868), (124, 699205), (130, 666934), (155, 559364), (260, 333467), (310, 279682), (347, 249860), (403, 215140), (620, 139841), (694, 124930), (806, 107570), (961, 90220), (1388, 62465), (1612, 53785), (1735, 49972), (1922, 45110), (2015, 43028), (3470, 24986), (3844, 22555), (4030, 21514), (4511, 19220), (4805, 18044), (6940, 12493), (8060, 10757), (9022, 9610)]