18001030640

素因数分解:

$2^4\times 5^1\times {\mathrm{313}}^1\times {\mathrm{383}}^1\times {\mathrm{1877}}^1$

素因数の和:2586

約数の個数: 80

約数和(自身を含む): 42118161408

約数和(自身を除く): 24117130768

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 313, 383, 626, 766, 1252, 1532, 1565, 1877, 1915, 2504, 3064, 3130, 3754, 3830, 5008, 6128, 6260, 7508, 7660, 9385, 12520, 15016, 15320, 18770, 25040, 30032, 30640, 37540, 75080, 119879, 150160, 239758, 479516, 587501, 599395, 718891, 959032, 1175002, 1198790, 1437782, 1918064, 2350004, 2397580, 2875564, 2937505, 3594455, 4700008, 4795160, 5751128, 5875010, 7188910, 9400016, 9590320, 11502256, 11750020, 14377820, 23500040, 28755640, 47000080, 57511280, 225012883, 450025766, 900051532, 1125064415, 1800103064, 2250128830, 3600206128, 4500257660, 9000515320, 18001030640]

約数ペア:

[(1, 18001030640), (2, 9000515320), (4, 4500257660), (5, 3600206128), (8, 2250128830), (10, 1800103064), (16, 1125064415), (20, 900051532), (40, 450025766), (80, 225012883), (313, 57511280), (383, 47000080), (626, 28755640), (766, 23500040), (1252, 14377820), (1532, 11750020), (1565, 11502256), (1877, 9590320), (1915, 9400016), (2504, 7188910), (3064, 5875010), (3130, 5751128), (3754, 4795160), (3830, 4700008), (5008, 3594455), (6128, 2937505), (6260, 2875564), (7508, 2397580), (7660, 2350004), (9385, 1918064), (12520, 1437782), (15016, 1198790), (15320, 1175002), (18770, 959032), (25040, 718891), (30032, 599395), (30640, 587501), (37540, 479516), (75080, 239758), (119879, 150160)]