65538160

素因数分解:

$2^4\times 5^1\times {\mathrm{409}}^1\times {\mathrm{2003}}^1$

素因数の和:2425

約数の個数: 40

約数和(自身を含む): 152825040

約数和(自身を除く): 87286880

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 409, 818, 1636, 2003, 2045, 3272, 4006, 4090, 6544, 8012, 8180, 10015, 16024, 16360, 20030, 32048, 32720, 40060, 80120, 160240, 819227, 1638454, 3276908, 4096135, 6553816, 8192270, 13107632, 16384540, 32769080, 65538160]

約数ペア:

[(1, 65538160), (2, 32769080), (4, 16384540), (5, 13107632), (8, 8192270), (10, 6553816), (16, 4096135), (20, 3276908), (40, 1638454), (80, 819227), (409, 160240), (818, 80120), (1636, 40060), (2003, 32720), (2045, 32048), (3272, 20030), (4006, 16360), (4090, 16024), (6544, 10015), (8012, 8180)]