166906240

素因数分解:

$2^7\times 5^1\times {\mathrm{260791}}^1$

素因数の和:260810

約数の個数: 32

約数和(自身を含む): 399011760

約数和(自身を除く): 232105520

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 260791, 521582, 1043164, 1303955, 2086328, 2607910, 4172656, 5215820, 8345312, 10431640, 16690624, 20863280, 33381248, 41726560, 83453120, 166906240]

約数ペア:

[(1, 166906240), (2, 83453120), (4, 41726560), (5, 33381248), (8, 20863280), (10, 16690624), (16, 10431640), (20, 8345312), (32, 5215820), (40, 4172656), (64, 2607910), (80, 2086328), (128, 1303955), (160, 1043164), (320, 521582), (640, 260791)]