25728512

素因数分解:

$2^9\times {\mathrm{31}}^1\times {\mathrm{1621}}^1$

素因数の和:1670

約数の個数: 40

約数和(自身を含む): 53097792

約数和(自身を除く): 27369280

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 64, 124, 128, 248, 256, 496, 512, 992, 1621, 1984, 3242, 3968, 6484, 7936, 12968, 15872, 25936, 50251, 51872, 100502, 103744, 201004, 207488, 402008, 414976, 804016, 829952, 1608032, 3216064, 6432128, 12864256, 25728512]

約数ペア:

[(1, 25728512), (2, 12864256), (4, 6432128), (8, 3216064), (16, 1608032), (31, 829952), (32, 804016), (62, 414976), (64, 402008), (124, 207488), (128, 201004), (248, 103744), (256, 100502), (496, 51872), (512, 50251), (992, 25936), (1621, 15872), (1984, 12968), (3242, 7936), (3968, 6484)]