1640882650

素因数分解:

$2^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{181}}^1\times {\mathrm{311}}^1$

素因数の和:568

約数の個数: 96

約数和(自身を含む): 3422030976

約数和(自身を除く): 1781148326

約数列:

[1, 2, 5, 10, 11, 22, 25, 50, 53, 55, 106, 110, 181, 265, 275, 311, 362, 530, 550, 583, 622, 905, 1166, 1325, 1555, 1810, 1991, 2650, 2915, 3110, 3421, 3982, 4525, 5830, 6842, 7775, 9050, 9593, 9955, 14575, 15550, 16483, 17105, 19186, 19910, 29150, 32966, 34210, 47965, 49775, 56291, 82415, 85525, 95930, 99550, 105523, 112582, 164830, 171050, 181313, 211046, 239825, 281455, 362626, 412075, 479650, 527615, 562910, 619201, 824150, 906565, 1055230, 1238402, 1407275, 1813130, 2638075, 2814550, 2983423, 3096005, 4532825, 5276150, 5966846, 6192010, 9065650, 14917115, 15480025, 29834230, 30960050, 32817653, 65635306, 74585575, 149171150, 164088265, 328176530, 820441325, 1640882650]

約数ペア:

[(1, 1640882650), (2, 820441325), (5, 328176530), (10, 164088265), (11, 149171150), (22, 74585575), (25, 65635306), (50, 32817653), (53, 30960050), (55, 29834230), (106, 15480025), (110, 14917115), (181, 9065650), (265, 6192010), (275, 5966846), (311, 5276150), (362, 4532825), (530, 3096005), (550, 2983423), (583, 2814550), (622, 2638075), (905, 1813130), (1166, 1407275), (1325, 1238402), (1555, 1055230), (1810, 906565), (1991, 824150), (2650, 619201), (2915, 562910), (3110, 527615), (3421, 479650), (3982, 412075), (4525, 362626), (5830, 281455), (6842, 239825), (7775, 211046), (9050, 181313), (9593, 171050), (9955, 164830), (14575, 112582), (15550, 105523), (16483, 99550), (17105, 95930), (19186, 85525), (19910, 82415), (29150, 56291), (32966, 49775), (34210, 47965)]