25155790

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{163}}^1$

素因数の和:265

約数の個数: 64

約数和(自身を含む): 52710912

約数和(自身を除く): 27555122

約数列:

[1, 2, 5, 10, 11, 22, 23, 46, 55, 61, 110, 115, 122, 163, 230, 253, 305, 326, 506, 610, 671, 815, 1265, 1342, 1403, 1630, 1793, 2530, 2806, 3355, 3586, 3749, 6710, 7015, 7498, 8965, 9943, 14030, 15433, 17930, 18745, 19886, 30866, 37490, 41239, 49715, 77165, 82478, 99430, 109373, 154330, 206195, 218746, 228689, 412390, 457378, 546865, 1093730, 1143445, 2286890, 2515579, 5031158, 12577895, 25155790]

約数ペア:

[(1, 25155790), (2, 12577895), (5, 5031158), (10, 2515579), (11, 2286890), (22, 1143445), (23, 1093730), (46, 546865), (55, 457378), (61, 412390), (110, 228689), (115, 218746), (122, 206195), (163, 154330), (230, 109373), (253, 99430), (305, 82478), (326, 77165), (506, 49715), (610, 41239), (671, 37490), (815, 30866), (1265, 19886), (1342, 18745), (1403, 17930), (1630, 15433), (1793, 14030), (2530, 9943), (2806, 8965), (3355, 7498), (3586, 7015), (3749, 6710)]