198107720

素因数分解:

$2^3\times 5^1\times {\mathrm{83}}^1\times {\mathrm{59671}}^1$

素因数の和:59765

約数の個数: 32

約数和(自身を含む): 451120320

約数和(自身を除く): 253012600

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 83, 166, 332, 415, 664, 830, 1660, 3320, 59671, 119342, 238684, 298355, 477368, 596710, 1193420, 2386840, 4952693, 9905386, 19810772, 24763465, 39621544, 49526930, 99053860, 198107720]

約数ペア:

[(1, 198107720), (2, 99053860), (4, 49526930), (5, 39621544), (8, 24763465), (10, 19810772), (20, 9905386), (40, 4952693), (83, 2386840), (166, 1193420), (332, 596710), (415, 477368), (664, 298355), (830, 238684), (1660, 119342), (3320, 59671)]