16881620

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{3259}}^1$

素因数の和:3312

約数の個数: 48

約数和(自身を含む): 41623680

約数和(自身を除く): 24742060

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 37, 70, 74, 140, 148, 185, 259, 370, 518, 740, 1036, 1295, 2590, 3259, 5180, 6518, 13036, 16295, 22813, 32590, 45626, 65180, 91252, 114065, 120583, 228130, 241166, 456260, 482332, 602915, 844081, 1205830, 1688162, 2411660, 3376324, 4220405, 8440810, 16881620]

約数ペア:

[(1, 16881620), (2, 8440810), (4, 4220405), (5, 3376324), (7, 2411660), (10, 1688162), (14, 1205830), (20, 844081), (28, 602915), (35, 482332), (37, 456260), (70, 241166), (74, 228130), (140, 120583), (148, 114065), (185, 91252), (259, 65180), (370, 45626), (518, 32590), (740, 22813), (1036, 16295), (1295, 13036), (2590, 6518), (3259, 5180)]