262664240

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{105913}}^1$

素因数の和:105957

約数の個数: 40

約数和(自身を含む): 630400128

約数和(自身を除く): 367735888

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 620, 1240, 2480, 105913, 211826, 423652, 529565, 847304, 1059130, 1694608, 2118260, 3283303, 4236520, 6566606, 8473040, 13133212, 16416515, 26266424, 32833030, 52532848, 65666060, 131332120, 262664240]

約数ペア:

[(1, 262664240), (2, 131332120), (4, 65666060), (5, 52532848), (8, 32833030), (10, 26266424), (16, 16416515), (20, 13133212), (31, 8473040), (40, 6566606), (62, 4236520), (80, 3283303), (124, 2118260), (155, 1694608), (248, 1059130), (310, 847304), (496, 529565), (620, 423652), (1240, 211826), (2480, 105913)]