28089440

素因数分解:

$2^5\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{449}}^1$

素因数の和:504

約数の個数: 96

約数和(自身を含む): 73483200

約数和(自身を除く): 45393760

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 23, 32, 34, 40, 46, 68, 80, 85, 92, 115, 136, 160, 170, 184, 230, 272, 340, 368, 391, 449, 460, 544, 680, 736, 782, 898, 920, 1360, 1564, 1796, 1840, 1955, 2245, 2720, 3128, 3592, 3680, 3910, 4490, 6256, 7184, 7633, 7820, 8980, 10327, 12512, 14368, 15266, 15640, 17960, 20654, 30532, 31280, 35920, 38165, 41308, 51635, 61064, 62560, 71840, 76330, 82616, 103270, 122128, 152660, 165232, 175559, 206540, 244256, 305320, 330464, 351118, 413080, 610640, 702236, 826160, 877795, 1221280, 1404472, 1652320, 1755590, 2808944, 3511180, 5617888, 7022360, 14044720, 28089440]

約数ペア:

[(1, 28089440), (2, 14044720), (4, 7022360), (5, 5617888), (8, 3511180), (10, 2808944), (16, 1755590), (17, 1652320), (20, 1404472), (23, 1221280), (32, 877795), (34, 826160), (40, 702236), (46, 610640), (68, 413080), (80, 351118), (85, 330464), (92, 305320), (115, 244256), (136, 206540), (160, 175559), (170, 165232), (184, 152660), (230, 122128), (272, 103270), (340, 82616), (368, 76330), (391, 71840), (449, 62560), (460, 61064), (544, 51635), (680, 41308), (736, 38165), (782, 35920), (898, 31280), (920, 30532), (1360, 20654), (1564, 17960), (1796, 15640), (1840, 15266), (1955, 14368), (2245, 12512), (2720, 10327), (3128, 8980), (3592, 7820), (3680, 7633), (3910, 7184), (4490, 6256)]