426681650

素因数分解:

$2^1\times 5^2\times {\mathrm{641}}^1\times {\mathrm{13313}}^1$

素因数の和:13966

約数の個数: 24

約数和(自身を含む): 794925684

約数和(自身を除く): 368244034

約数列:

[1, 2, 5, 10, 25, 50, 641, 1282, 3205, 6410, 13313, 16025, 26626, 32050, 66565, 133130, 332825, 665650, 8533633, 17067266, 42668165, 85336330, 213340825, 426681650]

約数ペア:

[(1, 426681650), (2, 213340825), (5, 85336330), (10, 42668165), (25, 17067266), (50, 8533633), (641, 665650), (1282, 332825), (3205, 133130), (6410, 66565), (13313, 32050), (16025, 26626)]