2816170040

素因数分解:

$2^3\times 5^1\times {\mathrm{89}}^1\times {\mathrm{421}}^1\times {\mathrm{1879}}^1$

素因数の和:2400

約数の個数: 64

約数和(自身を含む): 6426216000

約数和(自身を除く): 3610045960

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 89, 178, 356, 421, 445, 712, 842, 890, 1684, 1780, 1879, 2105, 3368, 3560, 3758, 4210, 7516, 8420, 9395, 15032, 16840, 18790, 37469, 37580, 74938, 75160, 149876, 167231, 187345, 299752, 334462, 374690, 668924, 749380, 791059, 836155, 1337848, 1498760, 1582118, 1672310, 3164236, 3344620, 3955295, 6328472, 6689240, 7910590, 15821180, 31642360, 70404251, 140808502, 281617004, 352021255, 563234008, 704042510, 1408085020, 2816170040]

約数ペア:

[(1, 2816170040), (2, 1408085020), (4, 704042510), (5, 563234008), (8, 352021255), (10, 281617004), (20, 140808502), (40, 70404251), (89, 31642360), (178, 15821180), (356, 7910590), (421, 6689240), (445, 6328472), (712, 3955295), (842, 3344620), (890, 3164236), (1684, 1672310), (1780, 1582118), (1879, 1498760), (2105, 1337848), (3368, 836155), (3560, 791059), (3758, 749380), (4210, 668924), (7516, 374690), (8420, 334462), (9395, 299752), (15032, 187345), (16840, 167231), (18790, 149876), (37469, 75160), (37580, 74938)]