66695980

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{3613}}^1$

素因数の和:3706

約数の個数: 48

約数和(自身を含む): 153002304

約数和(自身を除く): 86306324

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 71, 130, 142, 260, 284, 355, 710, 923, 1420, 1846, 3613, 3692, 4615, 7226, 9230, 14452, 18065, 18460, 36130, 46969, 72260, 93938, 187876, 234845, 256523, 469690, 513046, 939380, 1026092, 1282615, 2565230, 3334799, 5130460, 6669598, 13339196, 16673995, 33347990, 66695980]

約数ペア:

[(1, 66695980), (2, 33347990), (4, 16673995), (5, 13339196), (10, 6669598), (13, 5130460), (20, 3334799), (26, 2565230), (52, 1282615), (65, 1026092), (71, 939380), (130, 513046), (142, 469690), (260, 256523), (284, 234845), (355, 187876), (710, 93938), (923, 72260), (1420, 46969), (1846, 36130), (3613, 18460), (3692, 18065), (4615, 14452), (7226, 9230)]