51610880

素因数分解:

$2^8\times 5^1\times {\mathrm{61}}^1\times {\mathrm{661}}^1$

素因数の和:743

約数の個数: 72

約数和(自身を含む): 125840904

約数和(自身を除く): 74230024

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, 661, 976, 1220, 1280, 1322, 1952, 2440, 2644, 3305, 3904, 4880, 5288, 6610, 7808, 9760, 10576, 13220, 15616, 19520, 21152, 26440, 39040, 40321, 42304, 52880, 78080, 80642, 84608, 105760, 161284, 169216, 201605, 211520, 322568, 403210, 423040, 645136, 806420, 846080, 1290272, 1612840, 2580544, 3225680, 5161088, 6451360, 10322176, 12902720, 25805440, 51610880]

約数ペア:

[(1, 51610880), (2, 25805440), (4, 12902720), (5, 10322176), (8, 6451360), (10, 5161088), (16, 3225680), (20, 2580544), (32, 1612840), (40, 1290272), (61, 846080), (64, 806420), (80, 645136), (122, 423040), (128, 403210), (160, 322568), (244, 211520), (256, 201605), (305, 169216), (320, 161284), (488, 105760), (610, 84608), (640, 80642), (661, 78080), (976, 52880), (1220, 42304), (1280, 40321), (1322, 39040), (1952, 26440), (2440, 21152), (2644, 19520), (3305, 15616), (3904, 13220), (4880, 10576), (5288, 9760), (6610, 7808)]