25125430

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{9931}}^1$

素因数の和:9972

約数の個数: 32

約数和(自身を含む): 51487488

約数和(自身を除く): 26362058

約数列:

[1, 2, 5, 10, 11, 22, 23, 46, 55, 110, 115, 230, 253, 506, 1265, 2530, 9931, 19862, 49655, 99310, 109241, 218482, 228413, 456826, 546205, 1092410, 1142065, 2284130, 2512543, 5025086, 12562715, 25125430]

約数ペア:

[(1, 25125430), (2, 12562715), (5, 5025086), (10, 2512543), (11, 2284130), (22, 1142065), (23, 1092410), (46, 546205), (55, 456826), (110, 228413), (115, 218482), (230, 109241), (253, 99310), (506, 49655), (1265, 19862), (2530, 9931)]