72886580

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{9043}}^1$

素因数の和:9096

約数の個数: 48

約数和(自身を含む): 170171904

約数和(自身を除く): 97285324

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 31, 52, 62, 65, 124, 130, 155, 260, 310, 403, 620, 806, 1612, 2015, 4030, 8060, 9043, 18086, 36172, 45215, 90430, 117559, 180860, 235118, 280333, 470236, 560666, 587795, 1121332, 1175590, 1401665, 2351180, 2803330, 3644329, 5606660, 7288658, 14577316, 18221645, 36443290, 72886580]

約数ペア:

[(1, 72886580), (2, 36443290), (4, 18221645), (5, 14577316), (10, 7288658), (13, 5606660), (20, 3644329), (26, 2803330), (31, 2351180), (52, 1401665), (62, 1175590), (65, 1121332), (124, 587795), (130, 560666), (155, 470236), (260, 280333), (310, 235118), (403, 180860), (620, 117559), (806, 90430), (1612, 45215), (2015, 36172), (4030, 18086), (8060, 9043)]