39643420

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{1487}}^1$

素因数の和:1570

約数の個数: 48

約数和(自身を含む): 87994368

約数和(自身を除く): 48350948

約数列:

[1, 2, 4, 5, 10, 20, 31, 43, 62, 86, 124, 155, 172, 215, 310, 430, 620, 860, 1333, 1487, 2666, 2974, 5332, 5948, 6665, 7435, 13330, 14870, 26660, 29740, 46097, 63941, 92194, 127882, 184388, 230485, 255764, 319705, 460970, 639410, 921940, 1278820, 1982171, 3964342, 7928684, 9910855, 19821710, 39643420]

約数ペア:

[(1, 39643420), (2, 19821710), (4, 9910855), (5, 7928684), (10, 3964342), (20, 1982171), (31, 1278820), (43, 921940), (62, 639410), (86, 460970), (124, 319705), (155, 255764), (172, 230485), (215, 184388), (310, 127882), (430, 92194), (620, 63941), (860, 46097), (1333, 29740), (1487, 26660), (2666, 14870), (2974, 13330), (5332, 7435), (5948, 6665)]