25492480

素因数分解:

$2^{10}\times 5^1\times {\mathrm{13}}^1\times {\mathrm{383}}^1$

素因数の和:421

約数の個数: 88

約数和(自身を含む): 66028032

約数和(自身を除く): 40535552

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 128, 130, 160, 208, 256, 260, 320, 383, 416, 512, 520, 640, 766, 832, 1024, 1040, 1280, 1532, 1664, 1915, 2080, 2560, 3064, 3328, 3830, 4160, 4979, 5120, 6128, 6656, 7660, 8320, 9958, 12256, 13312, 15320, 16640, 19916, 24512, 24895, 30640, 33280, 39832, 49024, 49790, 61280, 66560, 79664, 98048, 99580, 122560, 159328, 196096, 199160, 245120, 318656, 392192, 398320, 490240, 637312, 796640, 980480, 1274624, 1593280, 1960960, 2549248, 3186560, 5098496, 6373120, 12746240, 25492480]

約数ペア:

[(1, 25492480), (2, 12746240), (4, 6373120), (5, 5098496), (8, 3186560), (10, 2549248), (13, 1960960), (16, 1593280), (20, 1274624), (26, 980480), (32, 796640), (40, 637312), (52, 490240), (64, 398320), (65, 392192), (80, 318656), (104, 245120), (128, 199160), (130, 196096), (160, 159328), (208, 122560), (256, 99580), (260, 98048), (320, 79664), (383, 66560), (416, 61280), (512, 49790), (520, 49024), (640, 39832), (766, 33280), (832, 30640), (1024, 24895), (1040, 24512), (1280, 19916), (1532, 16640), (1664, 15320), (1915, 13312), (2080, 12256), (2560, 9958), (3064, 8320), (3328, 7660), (3830, 6656), (4160, 6128), (4979, 5120)]