19996800

素因数分解:

$2^7\times 3^1\times 5^2\times {\mathrm{2083}}^1$

素因数の和:2110

約数の個数: 96

約数和(自身を含む): 65896080

約数和(自身を除く): 45899280

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 25, 30, 32, 40, 48, 50, 60, 64, 75, 80, 96, 100, 120, 128, 150, 160, 192, 200, 240, 300, 320, 384, 400, 480, 600, 640, 800, 960, 1200, 1600, 1920, 2083, 2400, 3200, 4166, 4800, 6249, 8332, 9600, 10415, 12498, 16664, 20830, 24996, 31245, 33328, 41660, 49992, 52075, 62490, 66656, 83320, 99984, 104150, 124980, 133312, 156225, 166640, 199968, 208300, 249960, 266624, 312450, 333280, 399936, 416600, 499920, 624900, 666560, 799872, 833200, 999840, 1249800, 1333120, 1666400, 1999680, 2499600, 3332800, 3999360, 4999200, 6665600, 9998400, 19996800]

約数ペア:

[(1, 19996800), (2, 9998400), (3, 6665600), (4, 4999200), (5, 3999360), (6, 3332800), (8, 2499600), (10, 1999680), (12, 1666400), (15, 1333120), (16, 1249800), (20, 999840), (24, 833200), (25, 799872), (30, 666560), (32, 624900), (40, 499920), (48, 416600), (50, 399936), (60, 333280), (64, 312450), (75, 266624), (80, 249960), (96, 208300), (100, 199968), (120, 166640), (128, 156225), (150, 133312), (160, 124980), (192, 104150), (200, 99984), (240, 83320), (300, 66656), (320, 62490), (384, 52075), (400, 49992), (480, 41660), (600, 33328), (640, 31245), (800, 24996), (960, 20830), (1200, 16664), (1600, 12498), (1920, 10415), (2083, 9600), (2400, 8332), (3200, 6249), (4166, 4800)]