4256720

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{4093}}^1$

素因数の和:4119

約数の個数: 40

約数和(自身を含む): 10660776

約数和(自身を除く): 6404056

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 4093, 8186, 16372, 20465, 32744, 40930, 53209, 65488, 81860, 106418, 163720, 212836, 266045, 327440, 425672, 532090, 851344, 1064180, 2128360, 4256720]

約数ペア:

[(1, 4256720), (2, 2128360), (4, 1064180), (5, 851344), (8, 532090), (10, 425672), (13, 327440), (16, 266045), (20, 212836), (26, 163720), (40, 106418), (52, 81860), (65, 65488), (80, 53209), (104, 40930), (130, 32744), (208, 20465), (260, 16372), (520, 8186), (1040, 4093)]