16978880

素因数分解:

$2^6\times 5^1\times {\mathrm{97}}^1\times {\mathrm{547}}^1$

素因数の和:661

約数の個数: 56

約数和(自身を含む): 40922448

約数和(自身を除く): 23943568

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 97, 160, 194, 320, 388, 485, 547, 776, 970, 1094, 1552, 1940, 2188, 2735, 3104, 3880, 4376, 5470, 6208, 7760, 8752, 10940, 15520, 17504, 21880, 31040, 35008, 43760, 53059, 87520, 106118, 175040, 212236, 265295, 424472, 530590, 848944, 1061180, 1697888, 2122360, 3395776, 4244720, 8489440, 16978880]

約数ペア:

[(1, 16978880), (2, 8489440), (4, 4244720), (5, 3395776), (8, 2122360), (10, 1697888), (16, 1061180), (20, 848944), (32, 530590), (40, 424472), (64, 265295), (80, 212236), (97, 175040), (160, 106118), (194, 87520), (320, 53059), (388, 43760), (485, 35008), (547, 31040), (776, 21880), (970, 17504), (1094, 15520), (1552, 10940), (1940, 8752), (2188, 7760), (2735, 6208), (3104, 5470), (3880, 4376)]