161767280

素因数分解:

$2^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{87917}}^1$

素因数の和:87953

約数の個数: 40

約数和(自身を含む): 392465952

約数和(自身を除く): 230698672

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 40, 46, 80, 92, 115, 184, 230, 368, 460, 920, 1840, 87917, 175834, 351668, 439585, 703336, 879170, 1406672, 1758340, 2022091, 3516680, 4044182, 7033360, 8088364, 10110455, 16176728, 20220910, 32353456, 40441820, 80883640, 161767280]

約数ペア:

[(1, 161767280), (2, 80883640), (4, 40441820), (5, 32353456), (8, 20220910), (10, 16176728), (16, 10110455), (20, 8088364), (23, 7033360), (40, 4044182), (46, 3516680), (80, 2022091), (92, 1758340), (115, 1406672), (184, 879170), (230, 703336), (368, 439585), (460, 351668), (920, 175834), (1840, 87917)]