40666916

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{421}}^1$

素因数の和:516

約数の個数: 48

約数和(自身を含む): 79403520

約数和(自身を除く): 38736604

約数列:

[1, 2, 4, 19, 31, 38, 41, 62, 76, 82, 124, 164, 421, 589, 779, 842, 1178, 1271, 1558, 1684, 2356, 2542, 3116, 5084, 7999, 13051, 15998, 17261, 24149, 26102, 31996, 34522, 48298, 52204, 69044, 96596, 247969, 327959, 495938, 535091, 655918, 991876, 1070182, 1311836, 2140364, 10166729, 20333458, 40666916]

約数ペア:

[(1, 40666916), (2, 20333458), (4, 10166729), (19, 2140364), (31, 1311836), (38, 1070182), (41, 991876), (62, 655918), (76, 535091), (82, 495938), (124, 327959), (164, 247969), (421, 96596), (589, 69044), (779, 52204), (842, 48298), (1178, 34522), (1271, 31996), (1558, 26102), (1684, 24149), (2356, 17261), (2542, 15998), (3116, 13051), (5084, 7999)]