215510320

素因数分解:

$2^4\times 5^1\times {\mathrm{1061}}^1\times {\mathrm{2539}}^1$

素因数の和:3613

約数の個数: 40

約数和(自身を含む): 501731280

約数和(自身を除く): 286220960

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1061, 2122, 2539, 4244, 5078, 5305, 8488, 10156, 10610, 12695, 16976, 20312, 21220, 25390, 40624, 42440, 50780, 84880, 101560, 203120, 2693879, 5387758, 10775516, 13469395, 21551032, 26938790, 43102064, 53877580, 107755160, 215510320]

約数ペア:

[(1, 215510320), (2, 107755160), (4, 53877580), (5, 43102064), (8, 26938790), (10, 21551032), (16, 13469395), (20, 10775516), (40, 5387758), (80, 2693879), (1061, 203120), (2122, 101560), (2539, 84880), (4244, 50780), (5078, 42440), (5305, 40624), (8488, 25390), (10156, 21220), (10610, 20312), (12695, 16976)]