131373040

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{52973}}^1$

素因数の和:53017

約数の個数: 40

約数和(自身を含む): 315301248

約数和(自身を除く): 183928208

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 620, 1240, 2480, 52973, 105946, 211892, 264865, 423784, 529730, 847568, 1059460, 1642163, 2118920, 3284326, 4237840, 6568652, 8210815, 13137304, 16421630, 26274608, 32843260, 65686520, 131373040]

約数ペア:

[(1, 131373040), (2, 65686520), (4, 32843260), (5, 26274608), (8, 16421630), (10, 13137304), (16, 8210815), (20, 6568652), (31, 4237840), (40, 3284326), (62, 2118920), (80, 1642163), (124, 1059460), (155, 847568), (248, 529730), (310, 423784), (496, 264865), (620, 211892), (1240, 105946), (2480, 52973)]