205344140

素因数分解:

$2^2\times 5^1\times {\mathrm{163}}^1\times {\mathrm{62989}}^1$

素因数の和:63161

約数の個数: 24

約数和(自身を含む): 433875120

約数和(自身を除く): 228530980

約数列:

[1, 2, 4, 5, 10, 20, 163, 326, 652, 815, 1630, 3260, 62989, 125978, 251956, 314945, 629890, 1259780, 10267207, 20534414, 41068828, 51336035, 102672070, 205344140]

約数ペア:

[(1, 205344140), (2, 102672070), (4, 51336035), (5, 41068828), (10, 20534414), (20, 10267207), (163, 1259780), (326, 629890), (652, 314945), (815, 251956), (1630, 125978), (3260, 62989)]