25003990

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{9883}}^1$

素因数の和:9924

約数の個数: 32

約数和(自身を含む): 51238656

約数和(自身を除く): 26234666

約数列:

[1, 2, 5, 10, 11, 22, 23, 46, 55, 110, 115, 230, 253, 506, 1265, 2530, 9883, 19766, 49415, 98830, 108713, 217426, 227309, 454618, 543565, 1087130, 1136545, 2273090, 2500399, 5000798, 12501995, 25003990]

約数ペア:

[(1, 25003990), (2, 12501995), (5, 5000798), (10, 2500399), (11, 2273090), (22, 1136545), (23, 1087130), (46, 543565), (55, 454618), (110, 227309), (115, 217426), (230, 108713), (253, 98830), (506, 49415), (1265, 19766), (2530, 9883)]