64241734.000000000

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{10139}}^1$

素因数の和:10244

約数の個数: 48

約数和(自身を含む): 306633600

約数和(自身を除く): 180301660

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 89, 140, 178, 356, 445, 623, 890, 1246, 1780, 2492, 3115, 6230, 10139, 12460, 20278, 40556, 50695, 70973, 101390, 141946, 202780, 283892, 354865, 709730, 902371, 1419460, 1804742, 3609484, 4511855, 6316597, 9023710, 12633194, 18047420, 25266388, 31582985, 63165970, 126331940]

約数ペア:

[(1, 126331940), (2, 63165970), (4, 31582985), (5, 25266388), (7, 18047420), (10, 12633194), (14, 9023710), (20, 6316597), (28, 4511855), (35, 3609484), (70, 1804742), (89, 1419460), (140, 902371), (178, 709730), (356, 354865), (445, 283892), (623, 202780), (890, 141946), (1246, 101390), (1780, 70973), (2492, 50695), (3115, 40556), (6230, 20278), (10139, 12460)]