2018133760

素因数分解:

$2^8\times 5^1\times {\mathrm{61}}^1\times {\mathrm{25847}}^1$

素因数の和:25929

約数の個数: 72

約数和(自身を含む): 4913498016

約数和(自身を除く): 2895364256

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 61, 64, 80, 122, 128, 160, 244, 256, 305, 320, 488, 610, 640, 976, 1220, 1280, 1952, 2440, 3904, 4880, 7808, 9760, 15616, 19520, 25847, 39040, 51694, 78080, 103388, 129235, 206776, 258470, 413552, 516940, 827104, 1033880, 1576667, 1654208, 2067760, 3153334, 3308416, 4135520, 6306668, 6616832, 7883335, 8271040, 12613336, 15766670, 16542080, 25226672, 31533340, 33084160, 50453344, 63066680, 100906688, 126133360, 201813376, 252266720, 403626752, 504533440, 1009066880, 2018133760]

約数ペア:

[(1, 2018133760), (2, 1009066880), (4, 504533440), (5, 403626752), (8, 252266720), (10, 201813376), (16, 126133360), (20, 100906688), (32, 63066680), (40, 50453344), (61, 33084160), (64, 31533340), (80, 25226672), (122, 16542080), (128, 15766670), (160, 12613336), (244, 8271040), (256, 7883335), (305, 6616832), (320, 6306668), (488, 4135520), (610, 3308416), (640, 3153334), (976, 2067760), (1220, 1654208), (1280, 1576667), (1952, 1033880), (2440, 827104), (3904, 516940), (4880, 413552), (7808, 258470), (9760, 206776), (15616, 129235), (19520, 103388), (25847, 78080), (39040, 51694)]