25949840

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{149}}^1\times {\mathrm{311}}^1$

素因数の和:480

約数の個数: 80

約数和(自身を含む): 69638400

約数和(自身を除く): 43688560

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 149, 280, 298, 311, 560, 596, 622, 745, 1043, 1192, 1244, 1490, 1555, 2086, 2177, 2384, 2488, 2980, 3110, 4172, 4354, 4976, 5215, 5960, 6220, 8344, 8708, 10430, 10885, 11920, 12440, 16688, 17416, 20860, 21770, 24880, 34832, 41720, 43540, 46339, 83440, 87080, 92678, 174160, 185356, 231695, 324373, 370712, 463390, 648746, 741424, 926780, 1297492, 1621865, 1853560, 2594984, 3243730, 3707120, 5189968, 6487460, 12974920, 25949840]

約数ペア:

[(1, 25949840), (2, 12974920), (4, 6487460), (5, 5189968), (7, 3707120), (8, 3243730), (10, 2594984), (14, 1853560), (16, 1621865), (20, 1297492), (28, 926780), (35, 741424), (40, 648746), (56, 463390), (70, 370712), (80, 324373), (112, 231695), (140, 185356), (149, 174160), (280, 92678), (298, 87080), (311, 83440), (560, 46339), (596, 43540), (622, 41720), (745, 34832), (1043, 24880), (1192, 21770), (1244, 20860), (1490, 17416), (1555, 16688), (2086, 12440), (2177, 11920), (2384, 10885), (2488, 10430), (2980, 8708), (3110, 8344), (4172, 6220), (4354, 5960), (4976, 5215)]