25304320

素因数分解:

$2^8\times 5^1\times {\mathrm{53}}^1\times {\mathrm{373}}^1$

素因数の和:447

約数の個数: 72

約数和(自身を含む): 61920936

約数和(自身を除く): 36616616

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 53, 64, 80, 106, 128, 160, 212, 256, 265, 320, 373, 424, 530, 640, 746, 848, 1060, 1280, 1492, 1696, 1865, 2120, 2984, 3392, 3730, 4240, 5968, 6784, 7460, 8480, 11936, 13568, 14920, 16960, 19769, 23872, 29840, 33920, 39538, 47744, 59680, 67840, 79076, 95488, 98845, 119360, 158152, 197690, 238720, 316304, 395380, 477440, 632608, 790760, 1265216, 1581520, 2530432, 3163040, 5060864, 6326080, 12652160, 25304320]

約数ペア:

[(1, 25304320), (2, 12652160), (4, 6326080), (5, 5060864), (8, 3163040), (10, 2530432), (16, 1581520), (20, 1265216), (32, 790760), (40, 632608), (53, 477440), (64, 395380), (80, 316304), (106, 238720), (128, 197690), (160, 158152), (212, 119360), (256, 98845), (265, 95488), (320, 79076), (373, 67840), (424, 59680), (530, 47744), (640, 39538), (746, 33920), (848, 29840), (1060, 23872), (1280, 19769), (1492, 16960), (1696, 14920), (1865, 13568), (2120, 11936), (2984, 8480), (3392, 7460), (3730, 6784), (4240, 5968)]