25123060

素因数分解:

$2^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{137}}^1\times {\mathrm{173}}^1$

素因数の和:372

約数の個数: 48

約数和(自身を含む): 54459216

約数和(自身を除く): 29336156

約数列:

[1, 2, 4, 5, 10, 20, 53, 106, 137, 173, 212, 265, 274, 346, 530, 548, 685, 692, 865, 1060, 1370, 1730, 2740, 3460, 7261, 9169, 14522, 18338, 23701, 29044, 36305, 36676, 45845, 47402, 72610, 91690, 94804, 118505, 145220, 183380, 237010, 474020, 1256153, 2512306, 5024612, 6280765, 12561530, 25123060]

約数ペア:

[(1, 25123060), (2, 12561530), (4, 6280765), (5, 5024612), (10, 2512306), (20, 1256153), (53, 474020), (106, 237010), (137, 183380), (173, 145220), (212, 118505), (265, 94804), (274, 91690), (346, 72610), (530, 47402), (548, 45845), (685, 36676), (692, 36305), (865, 29044), (1060, 23701), (1370, 18338), (1730, 14522), (2740, 9169), (3460, 7261)]