87445540

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{2089}}^1$

素因数の和:2141

約数の個数: 96

約数和(自身を含む): 235952640

約数和(自身を除く): 148507100

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 23, 26, 28, 35, 46, 52, 65, 70, 91, 92, 115, 130, 140, 161, 182, 230, 260, 299, 322, 364, 455, 460, 598, 644, 805, 910, 1196, 1495, 1610, 1820, 2089, 2093, 2990, 3220, 4178, 4186, 5980, 8356, 8372, 10445, 10465, 14623, 20890, 20930, 27157, 29246, 41780, 41860, 48047, 54314, 58492, 73115, 96094, 108628, 135785, 146230, 190099, 192188, 240235, 271570, 292460, 336329, 380198, 480470, 543140, 624611, 672658, 760396, 950495, 960940, 1249222, 1345316, 1681645, 1900990, 2498444, 3123055, 3363290, 3801980, 4372277, 6246110, 6726580, 8744554, 12492220, 17489108, 21861385, 43722770, 87445540]

約数ペア:

[(1, 87445540), (2, 43722770), (4, 21861385), (5, 17489108), (7, 12492220), (10, 8744554), (13, 6726580), (14, 6246110), (20, 4372277), (23, 3801980), (26, 3363290), (28, 3123055), (35, 2498444), (46, 1900990), (52, 1681645), (65, 1345316), (70, 1249222), (91, 960940), (92, 950495), (115, 760396), (130, 672658), (140, 624611), (161, 543140), (182, 480470), (230, 380198), (260, 336329), (299, 292460), (322, 271570), (364, 240235), (455, 192188), (460, 190099), (598, 146230), (644, 135785), (805, 108628), (910, 96094), (1196, 73115), (1495, 58492), (1610, 54314), (1820, 48047), (2089, 41860), (2093, 41780), (2990, 29246), (3220, 27157), (4178, 20930), (4186, 20890), (5980, 14623), (8356, 10465), (8372, 10445)]