81248768

素因数分解:

$2^9\times {\mathrm{31}}^1\times {\mathrm{5119}}^1$

素因数の和:5168

約数の個数: 40

約数和(自身を含む): 167608320

約数和(自身を除く): 86359552

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 64, 124, 128, 248, 256, 496, 512, 992, 1984, 3968, 5119, 7936, 10238, 15872, 20476, 40952, 81904, 158689, 163808, 317378, 327616, 634756, 655232, 1269512, 1310464, 2539024, 2620928, 5078048, 10156096, 20312192, 40624384, 81248768]

約数ペア:

[(1, 81248768), (2, 40624384), (4, 20312192), (8, 10156096), (16, 5078048), (31, 2620928), (32, 2539024), (62, 1310464), (64, 1269512), (124, 655232), (128, 634756), (248, 327616), (256, 317378), (496, 163808), (512, 158689), (992, 81904), (1984, 40952), (3968, 20476), (5119, 15872), (7936, 10238)]