12805430

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{557}}^1$

素因数の和:605

約数の個数: 48

約数和(自身を含む): 26717040

約数和(自身を除く): 13911610

約数列:

[1, 2, 5, 10, 11, 19, 22, 38, 55, 95, 110, 121, 190, 209, 242, 418, 557, 605, 1045, 1114, 1210, 2090, 2299, 2785, 4598, 5570, 6127, 10583, 11495, 12254, 21166, 22990, 30635, 52915, 61270, 67397, 105830, 116413, 134794, 232826, 336985, 582065, 673970, 1164130, 1280543, 2561086, 6402715, 12805430]

約数ペア:

[(1, 12805430), (2, 6402715), (5, 2561086), (10, 1280543), (11, 1164130), (19, 673970), (22, 582065), (38, 336985), (55, 232826), (95, 134794), (110, 116413), (121, 105830), (190, 67397), (209, 61270), (242, 52915), (418, 30635), (557, 22990), (605, 21166), (1045, 12254), (1114, 11495), (1210, 10583), (2090, 6127), (2299, 5570), (2785, 4598)]