56871640

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{8831}}^1$

素因数の和:8872

約数の個数: 64

約数和(自身を含む): 152616960

約数和(自身を除く): 95745320

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 23, 28, 35, 40, 46, 56, 70, 92, 115, 140, 161, 184, 230, 280, 322, 460, 644, 805, 920, 1288, 1610, 3220, 6440, 8831, 17662, 35324, 44155, 61817, 70648, 88310, 123634, 176620, 203113, 247268, 309085, 353240, 406226, 494536, 618170, 812452, 1015565, 1236340, 1421791, 1624904, 2031130, 2472680, 2843582, 4062260, 5687164, 7108955, 8124520, 11374328, 14217910, 28435820, 56871640]

約数ペア:

[(1, 56871640), (2, 28435820), (4, 14217910), (5, 11374328), (7, 8124520), (8, 7108955), (10, 5687164), (14, 4062260), (20, 2843582), (23, 2472680), (28, 2031130), (35, 1624904), (40, 1421791), (46, 1236340), (56, 1015565), (70, 812452), (92, 618170), (115, 494536), (140, 406226), (161, 353240), (184, 309085), (230, 247268), (280, 203113), (322, 176620), (460, 123634), (644, 88310), (805, 70648), (920, 61817), (1288, 44155), (1610, 35324), (3220, 17662), (6440, 8831)]