131707720

素因数分解:

$2^3\times 5^1\times {\mathrm{83}}^1\times {\mathrm{39671}}^1$

素因数の和:39765

約数の個数: 32

約数和(自身を含む): 299920320

約数和(自身を除く): 168212600

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 83, 166, 332, 415, 664, 830, 1660, 3320, 39671, 79342, 158684, 198355, 317368, 396710, 793420, 1586840, 3292693, 6585386, 13170772, 16463465, 26341544, 32926930, 65853860, 131707720]

約数ペア:

[(1, 131707720), (2, 65853860), (4, 32926930), (5, 26341544), (8, 16463465), (10, 13170772), (20, 6585386), (40, 3292693), (83, 1586840), (166, 793420), (332, 396710), (415, 317368), (664, 198355), (830, 158684), (1660, 79342), (3320, 39671)]