79286840

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{1487}}^1$

素因数の和:1572

約数の個数: 64

約数和(自身を含む): 188559360

約数和(自身を除く): 109272520

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 43, 62, 86, 124, 155, 172, 215, 248, 310, 344, 430, 620, 860, 1240, 1333, 1487, 1720, 2666, 2974, 5332, 5948, 6665, 7435, 10664, 11896, 13330, 14870, 26660, 29740, 46097, 53320, 59480, 63941, 92194, 127882, 184388, 230485, 255764, 319705, 368776, 460970, 511528, 639410, 921940, 1278820, 1843880, 1982171, 2557640, 3964342, 7928684, 9910855, 15857368, 19821710, 39643420, 79286840]

約数ペア:

[(1, 79286840), (2, 39643420), (4, 19821710), (5, 15857368), (8, 9910855), (10, 7928684), (20, 3964342), (31, 2557640), (40, 1982171), (43, 1843880), (62, 1278820), (86, 921940), (124, 639410), (155, 511528), (172, 460970), (215, 368776), (248, 319705), (310, 255764), (344, 230485), (430, 184388), (620, 127882), (860, 92194), (1240, 63941), (1333, 59480), (1487, 53320), (1720, 46097), (2666, 29740), (2974, 26660), (5332, 14870), (5948, 13330), (6665, 11896), (7435, 10664)]