1039777720

素因数分解:

$2^3\times 5^1\times {\mathrm{1583}}^1\times {\mathrm{16421}}^1$

素因数の和:18015

約数の個数: 32

約数和(自身を含む): 2341120320

約数和(自身を除く): 1301342600

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1583, 3166, 6332, 7915, 12664, 15830, 16421, 31660, 32842, 63320, 65684, 82105, 131368, 164210, 328420, 656840, 25994443, 51988886, 103977772, 129972215, 207955544, 259944430, 519888860, 1039777720]

約数ペア:

[(1, 1039777720), (2, 519888860), (4, 259944430), (5, 207955544), (8, 129972215), (10, 103977772), (20, 51988886), (40, 25994443), (1583, 656840), (3166, 328420), (6332, 164210), (7915, 131368), (12664, 82105), (15830, 65684), (16421, 63320), (31660, 32842)]