133740520

素因数分解:

$2^3\times 5^1\times {\mathrm{131}}^1\times {\mathrm{25523}}^1$

素因数の和:25665

約数の個数: 32

約数和(自身を含む): 303225120

約数和(自身を除く): 169484600

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 131, 262, 524, 655, 1048, 1310, 2620, 5240, 25523, 51046, 102092, 127615, 204184, 255230, 510460, 1020920, 3343513, 6687026, 13374052, 16717565, 26748104, 33435130, 66870260, 133740520]

約数ペア:

[(1, 133740520), (2, 66870260), (4, 33435130), (5, 26748104), (8, 16717565), (10, 13374052), (20, 6687026), (40, 3343513), (131, 1020920), (262, 510460), (524, 255230), (655, 204184), (1048, 127615), (1310, 102092), (2620, 51046), (5240, 25523)]