30724520

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{40427}}^1$

素因数の和:40457

約数の個数: 32

約数和(自身を含む): 72770400

約数和(自身を除く): 42045880

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 380, 760, 40427, 80854, 161708, 202135, 323416, 404270, 768113, 808540, 1536226, 1617080, 3072452, 3840565, 6144904, 7681130, 15362260, 30724520]

約数ペア:

[(1, 30724520), (2, 15362260), (4, 7681130), (5, 6144904), (8, 3840565), (10, 3072452), (19, 1617080), (20, 1536226), (38, 808540), (40, 768113), (76, 404270), (95, 323416), (152, 202135), (190, 161708), (380, 80854), (760, 40427)]