158702020

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{255971}}^1$

素因数の和:256011

約数の個数: 24

約数和(自身を含む): 344026368

約数和(自身を除く): 185324348

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 255971, 511942, 1023884, 1279855, 2559710, 5119420, 7935101, 15870202, 31740404, 39675505, 79351010, 158702020]

約数ペア:

[(1, 158702020), (2, 79351010), (4, 39675505), (5, 31740404), (10, 15870202), (20, 7935101), (31, 5119420), (62, 2559710), (124, 1279855), (155, 1023884), (310, 511942), (620, 255971)]