81340928

素因数分解:

$2^9\times {\mathrm{79}}^1\times {\mathrm{2011}}^1$

素因数の和:2108

約数の個数: 40

約数和(自身を含む): 164662080

約数和(自身を除く): 83321152

約数列:

[1, 2, 4, 8, 16, 32, 64, 79, 128, 158, 256, 316, 512, 632, 1264, 2011, 2528, 4022, 5056, 8044, 10112, 16088, 20224, 32176, 40448, 64352, 128704, 158869, 257408, 317738, 514816, 635476, 1029632, 1270952, 2541904, 5083808, 10167616, 20335232, 40670464, 81340928]

約数ペア:

[(1, 81340928), (2, 40670464), (4, 20335232), (8, 10167616), (16, 5083808), (32, 2541904), (64, 1270952), (79, 1029632), (128, 635476), (158, 514816), (256, 317738), (316, 257408), (512, 158869), (632, 128704), (1264, 64352), (2011, 40448), (2528, 32176), (4022, 20224), (5056, 16088), (8044, 10112)]