39779960

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^2\times {\mathrm{8219}}^1$

素因数の和:8252

約数の個数: 48

約数和(自身を含む): 98393400

約数和(自身を除く): 58613440

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 121, 220, 242, 440, 484, 605, 968, 1210, 2420, 4840, 8219, 16438, 32876, 41095, 65752, 82190, 90409, 164380, 180818, 328760, 361636, 452045, 723272, 904090, 994499, 1808180, 1988998, 3616360, 3977996, 4972495, 7955992, 9944990, 19889980, 39779960]

約数ペア:

[(1, 39779960), (2, 19889980), (4, 9944990), (5, 7955992), (8, 4972495), (10, 3977996), (11, 3616360), (20, 1988998), (22, 1808180), (40, 994499), (44, 904090), (55, 723272), (88, 452045), (110, 361636), (121, 328760), (220, 180818), (242, 164380), (440, 90409), (484, 82190), (605, 65752), (968, 41095), (1210, 32876), (2420, 16438), (4840, 8219)]