19926400

素因数分解:

$2^7\times 5^2\times {\mathrm{13}}^1\times {\mathrm{479}}^1$

素因数の和:516

約数の個数: 96

約数和(自身を含む): 53121600

約数和(自身を除く): 33195200

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 32, 40, 50, 52, 64, 65, 80, 100, 104, 128, 130, 160, 200, 208, 260, 320, 325, 400, 416, 479, 520, 640, 650, 800, 832, 958, 1040, 1300, 1600, 1664, 1916, 2080, 2395, 2600, 3200, 3832, 4160, 4790, 5200, 6227, 7664, 8320, 9580, 10400, 11975, 12454, 15328, 19160, 20800, 23950, 24908, 30656, 31135, 38320, 41600, 47900, 49816, 61312, 62270, 76640, 95800, 99632, 124540, 153280, 155675, 191600, 199264, 249080, 306560, 311350, 383200, 398528, 498160, 622700, 766400, 797056, 996320, 1245400, 1532800, 1992640, 2490800, 3985280, 4981600, 9963200, 19926400]

約数ペア:

[(1, 19926400), (2, 9963200), (4, 4981600), (5, 3985280), (8, 2490800), (10, 1992640), (13, 1532800), (16, 1245400), (20, 996320), (25, 797056), (26, 766400), (32, 622700), (40, 498160), (50, 398528), (52, 383200), (64, 311350), (65, 306560), (80, 249080), (100, 199264), (104, 191600), (128, 155675), (130, 153280), (160, 124540), (200, 99632), (208, 95800), (260, 76640), (320, 62270), (325, 61312), (400, 49816), (416, 47900), (479, 41600), (520, 38320), (640, 31135), (650, 30656), (800, 24908), (832, 23950), (958, 20800), (1040, 19160), (1300, 15328), (1600, 12454), (1664, 11975), (1916, 10400), (2080, 9580), (2395, 8320), (2600, 7664), (3200, 6227), (3832, 5200), (4160, 4790)]