28436800

素因数分解:

$2^6\times 5^2\times 7^1\times {\mathrm{2539}}^1$

素因数の和:2568

約数の個数: 84

約数和(自身を含む): 79999840

約数和(自身を除く): 51563040

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 32, 35, 40, 50, 56, 64, 70, 80, 100, 112, 140, 160, 175, 200, 224, 280, 320, 350, 400, 448, 560, 700, 800, 1120, 1400, 1600, 2240, 2539, 2800, 5078, 5600, 10156, 11200, 12695, 17773, 20312, 25390, 35546, 40624, 50780, 63475, 71092, 81248, 88865, 101560, 126950, 142184, 162496, 177730, 203120, 253900, 284368, 355460, 406240, 444325, 507800, 568736, 710920, 812480, 888650, 1015600, 1137472, 1421840, 1777300, 2031200, 2843680, 3554600, 4062400, 5687360, 7109200, 14218400, 28436800]

約数ペア:

[(1, 28436800), (2, 14218400), (4, 7109200), (5, 5687360), (7, 4062400), (8, 3554600), (10, 2843680), (14, 2031200), (16, 1777300), (20, 1421840), (25, 1137472), (28, 1015600), (32, 888650), (35, 812480), (40, 710920), (50, 568736), (56, 507800), (64, 444325), (70, 406240), (80, 355460), (100, 284368), (112, 253900), (140, 203120), (160, 177730), (175, 162496), (200, 142184), (224, 126950), (280, 101560), (320, 88865), (350, 81248), (400, 71092), (448, 63475), (560, 50780), (700, 40624), (800, 35546), (1120, 25390), (1400, 20312), (1600, 17773), (2240, 12695), (2539, 11200), (2800, 10156), (5078, 5600)]