39728080

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{1163}}^1$

素因数の和:1244

約数の個数: 80

約数和(自身を含む): 107385984

約数和(自身を除く): 67657904

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 61, 70, 80, 112, 122, 140, 244, 280, 305, 427, 488, 560, 610, 854, 976, 1163, 1220, 1708, 2135, 2326, 2440, 3416, 4270, 4652, 4880, 5815, 6832, 8141, 8540, 9304, 11630, 16282, 17080, 18608, 23260, 32564, 34160, 40705, 46520, 65128, 70943, 81410, 93040, 130256, 141886, 162820, 283772, 325640, 354715, 496601, 567544, 651280, 709430, 993202, 1135088, 1418860, 1986404, 2483005, 2837720, 3972808, 4966010, 5675440, 7945616, 9932020, 19864040, 39728080]

約数ペア:

[(1, 39728080), (2, 19864040), (4, 9932020), (5, 7945616), (7, 5675440), (8, 4966010), (10, 3972808), (14, 2837720), (16, 2483005), (20, 1986404), (28, 1418860), (35, 1135088), (40, 993202), (56, 709430), (61, 651280), (70, 567544), (80, 496601), (112, 354715), (122, 325640), (140, 283772), (244, 162820), (280, 141886), (305, 130256), (427, 93040), (488, 81410), (560, 70943), (610, 65128), (854, 46520), (976, 40705), (1163, 34160), (1220, 32564), (1708, 23260), (2135, 18608), (2326, 17080), (2440, 16282), (3416, 11630), (4270, 9304), (4652, 8540), (4880, 8141), (5815, 6832)]