38494640

素因数分解:

$2^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{20921}}^1$

素因数の和:20957

約数の個数: 40

約数和(自身を含む): 93395808

約数和(自身を除く): 54901168

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 40, 46, 80, 92, 115, 184, 230, 368, 460, 920, 1840, 20921, 41842, 83684, 104605, 167368, 209210, 334736, 418420, 481183, 836840, 962366, 1673680, 1924732, 2405915, 3849464, 4811830, 7698928, 9623660, 19247320, 38494640]

約数ペア:

[(1, 38494640), (2, 19247320), (4, 9623660), (5, 7698928), (8, 4811830), (10, 3849464), (16, 2405915), (20, 1924732), (23, 1673680), (40, 962366), (46, 836840), (80, 481183), (92, 418420), (115, 334736), (184, 209210), (230, 167368), (368, 104605), (460, 83684), (920, 41842), (1840, 20921)]