12561530

素因数分解:

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

素因数の和:370

約数の個数: 32

約数和(自身を含む): 23339664

約数和(自身を除く): 10778134

約数列:

[1, 2, 5, 10, 53, 106, 137, 173, 265, 274, 346, 530, 685, 865, 1370, 1730, 7261, 9169, 14522, 18338, 23701, 36305, 45845, 47402, 72610, 91690, 118505, 237010, 1256153, 2512306, 6280765, 12561530]

約数ペア:

[(1, 12561530), (2, 6280765), (5, 2512306), (10, 1256153), (53, 237010), (106, 118505), (137, 91690), (173, 72610), (265, 47402), (274, 45845), (346, 36305), (530, 23701), (685, 18338), (865, 14522), (1370, 9169), (1730, 7261)]