25324040

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{149}}^1\times {\mathrm{607}}^1$

素因数の和:774

約数の個数: 64

約数和(自身を含む): 65664000

約数和(自身を除く): 40339960

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 149, 280, 298, 596, 607, 745, 1043, 1192, 1214, 1490, 2086, 2428, 2980, 3035, 4172, 4249, 4856, 5215, 5960, 6070, 8344, 8498, 10430, 12140, 16996, 20860, 21245, 24280, 33992, 41720, 42490, 84980, 90443, 169960, 180886, 361772, 452215, 633101, 723544, 904430, 1266202, 1808860, 2532404, 3165505, 3617720, 5064808, 6331010, 12662020, 25324040]

約数ペア:

[(1, 25324040), (2, 12662020), (4, 6331010), (5, 5064808), (7, 3617720), (8, 3165505), (10, 2532404), (14, 1808860), (20, 1266202), (28, 904430), (35, 723544), (40, 633101), (56, 452215), (70, 361772), (140, 180886), (149, 169960), (280, 90443), (298, 84980), (596, 42490), (607, 41720), (745, 33992), (1043, 24280), (1192, 21245), (1214, 20860), (1490, 16996), (2086, 12140), (2428, 10430), (2980, 8498), (3035, 8344), (4172, 6070), (4249, 5960), (4856, 5215)]