28659680

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{25589}}^1$

素因数の和:25611

約数の個数: 48

約数和(自身を含む): 77384160

約数和(自身を除く): 48724480

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 70, 80, 112, 140, 160, 224, 280, 560, 1120, 25589, 51178, 102356, 127945, 179123, 204712, 255890, 358246, 409424, 511780, 716492, 818848, 895615, 1023560, 1432984, 1791230, 2047120, 2865968, 3582460, 4094240, 5731936, 7164920, 14329840, 28659680]

約数ペア:

[(1, 28659680), (2, 14329840), (4, 7164920), (5, 5731936), (7, 4094240), (8, 3582460), (10, 2865968), (14, 2047120), (16, 1791230), (20, 1432984), (28, 1023560), (32, 895615), (35, 818848), (40, 716492), (56, 511780), (70, 409424), (80, 358246), (112, 255890), (140, 204712), (160, 179123), (224, 127945), (280, 102356), (560, 51178), (1120, 25589)]