18438638480

素因数分解:

$2^4\times 5^1\times {\mathrm{29}}^1\times {\mathrm{1571}}^1\times {\mathrm{5059}}^1$

素因数の和:6672

約数の個数: 80

約数和(自身を含む): 44385105600

約数和(自身を除く): 25946467120

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 40, 58, 80, 116, 145, 232, 290, 464, 580, 1160, 1571, 2320, 3142, 5059, 6284, 7855, 10118, 12568, 15710, 20236, 25136, 25295, 31420, 40472, 45559, 50590, 62840, 80944, 91118, 101180, 125680, 146711, 182236, 202360, 227795, 293422, 364472, 404720, 455590, 586844, 728944, 733555, 911180, 1173688, 1467110, 1822360, 2347376, 2934220, 3644720, 5868440, 7947689, 11736880, 15895378, 31790756, 39738445, 63581512, 79476890, 127163024, 158953780, 230482981, 317907560, 460965962, 635815120, 921931924, 1152414905, 1843863848, 2304829810, 3687727696, 4609659620, 9219319240, 18438638480]

約数ペア:

[(1, 18438638480), (2, 9219319240), (4, 4609659620), (5, 3687727696), (8, 2304829810), (10, 1843863848), (16, 1152414905), (20, 921931924), (29, 635815120), (40, 460965962), (58, 317907560), (80, 230482981), (116, 158953780), (145, 127163024), (232, 79476890), (290, 63581512), (464, 39738445), (580, 31790756), (1160, 15895378), (1571, 11736880), (2320, 7947689), (3142, 5868440), (5059, 3644720), (6284, 2934220), (7855, 2347376), (10118, 1822360), (12568, 1467110), (15710, 1173688), (20236, 911180), (25136, 733555), (25295, 728944), (31420, 586844), (40472, 455590), (45559, 404720), (50590, 364472), (62840, 293422), (80944, 227795), (91118, 202360), (101180, 182236), (125680, 146711)]