52840120

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{991}}^1$

素因数の和:1076

約数の個数: 64

約数和(自身を含む): 125706240

約数和(自身を除く): 72866120

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, 991, 1240, 1333, 1720, 1982, 2666, 3964, 4955, 5332, 6665, 7928, 9910, 10664, 13330, 19820, 26660, 30721, 39640, 42613, 53320, 61442, 85226, 122884, 153605, 170452, 213065, 245768, 307210, 340904, 426130, 614420, 852260, 1228840, 1321003, 1704520, 2642006, 5284012, 6605015, 10568024, 13210030, 26420060, 52840120]

約数ペア:

[(1, 52840120), (2, 26420060), (4, 13210030), (5, 10568024), (8, 6605015), (10, 5284012), (20, 2642006), (31, 1704520), (40, 1321003), (43, 1228840), (62, 852260), (86, 614420), (124, 426130), (155, 340904), (172, 307210), (215, 245768), (248, 213065), (310, 170452), (344, 153605), (430, 122884), (620, 85226), (860, 61442), (991, 53320), (1240, 42613), (1333, 39640), (1720, 30721), (1982, 26660), (2666, 19820), (3964, 13330), (4955, 10664), (5332, 9910), (6665, 7928)]