25841920

素因数分解:

$2^8\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1553}}^1$

素因数の和:1587

約数の個数: 72

約数和(自身を含む): 66703896

約数和(自身を除く): 40861976

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, 416, 520, 640, 832, 1040, 1280, 1553, 1664, 2080, 3106, 3328, 4160, 6212, 7765, 8320, 12424, 15530, 16640, 20189, 24848, 31060, 40378, 49696, 62120, 80756, 99392, 100945, 124240, 161512, 198784, 201890, 248480, 323024, 397568, 403780, 496960, 646048, 807560, 993920, 1292096, 1615120, 1987840, 2584192, 3230240, 5168384, 6460480, 12920960, 25841920]

約数ペア:

[(1, 25841920), (2, 12920960), (4, 6460480), (5, 5168384), (8, 3230240), (10, 2584192), (13, 1987840), (16, 1615120), (20, 1292096), (26, 993920), (32, 807560), (40, 646048), (52, 496960), (64, 403780), (65, 397568), (80, 323024), (104, 248480), (128, 201890), (130, 198784), (160, 161512), (208, 124240), (256, 100945), (260, 99392), (320, 80756), (416, 62120), (520, 49696), (640, 40378), (832, 31060), (1040, 24848), (1280, 20189), (1553, 16640), (1664, 15530), (2080, 12424), (3106, 8320), (3328, 7765), (4160, 6212)]