25422980

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{1583}}^1$

素因数の和:1676

約数の個数: 48

約数和(自身を含む): 59076864

約数和(自身を除く): 33653884

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 73, 110, 146, 220, 292, 365, 730, 803, 1460, 1583, 1606, 3166, 3212, 4015, 6332, 7915, 8030, 15830, 16060, 17413, 31660, 34826, 69652, 87065, 115559, 174130, 231118, 348260, 462236, 577795, 1155590, 1271149, 2311180, 2542298, 5084596, 6355745, 12711490, 25422980]

約数ペア:

[(1, 25422980), (2, 12711490), (4, 6355745), (5, 5084596), (10, 2542298), (11, 2311180), (20, 1271149), (22, 1155590), (44, 577795), (55, 462236), (73, 348260), (110, 231118), (146, 174130), (220, 115559), (292, 87065), (365, 69652), (730, 34826), (803, 31660), (1460, 17413), (1583, 16060), (1606, 15830), (3166, 8030), (3212, 7915), (4015, 6332)]