388562480

素因数分解:

$2^4\times 5^1\times {\mathrm{67}}^1\times {\mathrm{72493}}^1$

素因数の和:72573

約数の個数: 40

約数和(自身を含む): 916904112

約数和(自身を除く): 528341632

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 67, 80, 134, 268, 335, 536, 670, 1072, 1340, 2680, 5360, 72493, 144986, 289972, 362465, 579944, 724930, 1159888, 1449860, 2899720, 4857031, 5799440, 9714062, 19428124, 24285155, 38856248, 48570310, 77712496, 97140620, 194281240, 388562480]

約数ペア:

[(1, 388562480), (2, 194281240), (4, 97140620), (5, 77712496), (8, 48570310), (10, 38856248), (16, 24285155), (20, 19428124), (40, 9714062), (67, 5799440), (80, 4857031), (134, 2899720), (268, 1449860), (335, 1159888), (536, 724930), (670, 579944), (1072, 362465), (1340, 289972), (2680, 144986), (5360, 72493)]