51130160

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{389}}^1$

素因数の和:486

約数の個数: 80

約数和(自身を含む): 125349120

約数和(自身を除く): 74218960

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 53, 62, 80, 106, 124, 155, 212, 248, 265, 310, 389, 424, 496, 530, 620, 778, 848, 1060, 1240, 1556, 1643, 1945, 2120, 2480, 3112, 3286, 3890, 4240, 6224, 6572, 7780, 8215, 12059, 13144, 15560, 16430, 20617, 24118, 26288, 31120, 32860, 41234, 48236, 60295, 65720, 82468, 96472, 103085, 120590, 131440, 164936, 192944, 206170, 241180, 329872, 412340, 482360, 639127, 824680, 964720, 1278254, 1649360, 2556508, 3195635, 5113016, 6391270, 10226032, 12782540, 25565080, 51130160]

約数ペア:

[(1, 51130160), (2, 25565080), (4, 12782540), (5, 10226032), (8, 6391270), (10, 5113016), (16, 3195635), (20, 2556508), (31, 1649360), (40, 1278254), (53, 964720), (62, 824680), (80, 639127), (106, 482360), (124, 412340), (155, 329872), (212, 241180), (248, 206170), (265, 192944), (310, 164936), (389, 131440), (424, 120590), (496, 103085), (530, 96472), (620, 82468), (778, 65720), (848, 60295), (1060, 48236), (1240, 41234), (1556, 32860), (1643, 31120), (1945, 26288), (2120, 24118), (2480, 20617), (3112, 16430), (3286, 15560), (3890, 13144), (4240, 12059), (6224, 8215), (6572, 7780)]