87506180

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{2663}}^1$

素因数の和:2756

約数の個数: 48

約数和(自身を含む): 193342464

約数和(自身を除く): 105836284

約数列:

[1, 2, 4, 5, 10, 20, 31, 53, 62, 106, 124, 155, 212, 265, 310, 530, 620, 1060, 1643, 2663, 3286, 5326, 6572, 8215, 10652, 13315, 16430, 26630, 32860, 53260, 82553, 141139, 165106, 282278, 330212, 412765, 564556, 705695, 825530, 1411390, 1651060, 2822780, 4375309, 8750618, 17501236, 21876545, 43753090, 87506180]

約数ペア:

[(1, 87506180), (2, 43753090), (4, 21876545), (5, 17501236), (10, 8750618), (20, 4375309), (31, 2822780), (53, 1651060), (62, 1411390), (106, 825530), (124, 705695), (155, 564556), (212, 412765), (265, 330212), (310, 282278), (530, 165106), (620, 141139), (1060, 82553), (1643, 53260), (2663, 32860), (3286, 26630), (5326, 16430), (6572, 13315), (8215, 10652)]