52155580

素因数分解:

$2^2\times 5^1\times {\mathrm{73}}^1\times {\mathrm{139}}^1\times {\mathrm{257}}^1$

素因数の和:478

約数の個数: 48

約数和(自身を含む): 112260960

約数和(自身を除く): 60105380

約数列:

[1, 2, 4, 5, 10, 20, 73, 139, 146, 257, 278, 292, 365, 514, 556, 695, 730, 1028, 1285, 1390, 1460, 2570, 2780, 5140, 10147, 18761, 20294, 35723, 37522, 40588, 50735, 71446, 75044, 93805, 101470, 142892, 178615, 187610, 202940, 357230, 375220, 714460, 2607779, 5215558, 10431116, 13038895, 26077790, 52155580]

約数ペア:

[(1, 52155580), (2, 26077790), (4, 13038895), (5, 10431116), (10, 5215558), (20, 2607779), (73, 714460), (139, 375220), (146, 357230), (257, 202940), (278, 187610), (292, 178615), (365, 142892), (514, 101470), (556, 93805), (695, 75044), (730, 71446), (1028, 50735), (1285, 40588), (1390, 37522), (1460, 35723), (2570, 20294), (2780, 18761), (5140, 10147)]