17917504040

素因数分解:

$2^3\times 5^1\times {\mathrm{131}}^1\times {\mathrm{439}}^1\times {\mathrm{7789}}^1$

素因数の和:8370

約数の個数: 64

約数和(自身を含む): 40719888000

約数和(自身を除く): 22802383960

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 131, 262, 439, 524, 655, 878, 1048, 1310, 1756, 2195, 2620, 3512, 4390, 5240, 7789, 8780, 15578, 17560, 31156, 38945, 57509, 62312, 77890, 115018, 155780, 230036, 287545, 311560, 460072, 575090, 1020359, 1150180, 2040718, 2300360, 3419371, 4081436, 5101795, 6838742, 8162872, 10203590, 13677484, 17096855, 20407180, 27354968, 34193710, 40814360, 68387420, 136774840, 447937601, 895875202, 1791750404, 2239688005, 3583500808, 4479376010, 8958752020, 17917504040]

約数ペア:

[(1, 17917504040), (2, 8958752020), (4, 4479376010), (5, 3583500808), (8, 2239688005), (10, 1791750404), (20, 895875202), (40, 447937601), (131, 136774840), (262, 68387420), (439, 40814360), (524, 34193710), (655, 27354968), (878, 20407180), (1048, 17096855), (1310, 13677484), (1756, 10203590), (2195, 8162872), (2620, 6838742), (3512, 5101795), (4390, 4081436), (5240, 3419371), (7789, 2300360), (8780, 2040718), (15578, 1150180), (17560, 1020359), (31156, 575090), (38945, 460072), (57509, 311560), (62312, 287545), (77890, 230036), (115018, 155780)]