56171920

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{2711}}^1$

素因数の和:2768

約数の個数: 80

約数和(自身を含む): 153347328

約数和(自身を除く): 97175408

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 37, 40, 56, 70, 74, 80, 112, 140, 148, 185, 259, 280, 296, 370, 518, 560, 592, 740, 1036, 1295, 1480, 2072, 2590, 2711, 2960, 4144, 5180, 5422, 10360, 10844, 13555, 18977, 20720, 21688, 27110, 37954, 43376, 54220, 75908, 94885, 100307, 108440, 151816, 189770, 200614, 216880, 303632, 379540, 401228, 501535, 702149, 759080, 802456, 1003070, 1404298, 1518160, 1604912, 2006140, 2808596, 3510745, 4012280, 5617192, 7021490, 8024560, 11234384, 14042980, 28085960, 56171920]

約数ペア:

[(1, 56171920), (2, 28085960), (4, 14042980), (5, 11234384), (7, 8024560), (8, 7021490), (10, 5617192), (14, 4012280), (16, 3510745), (20, 2808596), (28, 2006140), (35, 1604912), (37, 1518160), (40, 1404298), (56, 1003070), (70, 802456), (74, 759080), (80, 702149), (112, 501535), (140, 401228), (148, 379540), (185, 303632), (259, 216880), (280, 200614), (296, 189770), (370, 151816), (518, 108440), (560, 100307), (592, 94885), (740, 75908), (1036, 54220), (1295, 43376), (1480, 37954), (2072, 27110), (2590, 21688), (2711, 20720), (2960, 18977), (4144, 13555), (5180, 10844), (5422, 10360)]