51685120

素因数分解:

$2^8\times 5^1\times {\mathrm{149}}^1\times {\mathrm{271}}^1$

素因数の和:441

約数の個数: 72

約数和(自身を含む): 125092800

約数和(自身を除く): 73407680

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 149, 160, 256, 271, 298, 320, 542, 596, 640, 745, 1084, 1192, 1280, 1355, 1490, 2168, 2384, 2710, 2980, 4336, 4768, 5420, 5960, 8672, 9536, 10840, 11920, 17344, 19072, 21680, 23840, 34688, 38144, 40379, 43360, 47680, 69376, 80758, 86720, 95360, 161516, 173440, 190720, 201895, 323032, 346880, 403790, 646064, 807580, 1292128, 1615160, 2584256, 3230320, 5168512, 6460640, 10337024, 12921280, 25842560, 51685120]

約数ペア:

[(1, 51685120), (2, 25842560), (4, 12921280), (5, 10337024), (8, 6460640), (10, 5168512), (16, 3230320), (20, 2584256), (32, 1615160), (40, 1292128), (64, 807580), (80, 646064), (128, 403790), (149, 346880), (160, 323032), (256, 201895), (271, 190720), (298, 173440), (320, 161516), (542, 95360), (596, 86720), (640, 80758), (745, 69376), (1084, 47680), (1192, 43360), (1280, 40379), (1355, 38144), (1490, 34688), (2168, 23840), (2384, 21680), (2710, 19072), (2980, 17344), (4336, 11920), (4768, 10840), (5420, 9536), (5960, 8672)]