13051640

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{6659}}^1$

素因数の和:6684

約数の個数: 48

約数和(自身を含む): 34165800

約数和(自身を除く): 21114160

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 245, 280, 392, 490, 980, 1960, 6659, 13318, 26636, 33295, 46613, 53272, 66590, 93226, 133180, 186452, 233065, 266360, 326291, 372904, 466130, 652582, 932260, 1305164, 1631455, 1864520, 2610328, 3262910, 6525820, 13051640]

約数ペア:

[(1, 13051640), (2, 6525820), (4, 3262910), (5, 2610328), (7, 1864520), (8, 1631455), (10, 1305164), (14, 932260), (20, 652582), (28, 466130), (35, 372904), (40, 326291), (49, 266360), (56, 233065), (70, 186452), (98, 133180), (140, 93226), (196, 66590), (245, 53272), (280, 46613), (392, 33295), (490, 26636), (980, 13318), (1960, 6659)]