19708333760

素因数分解:

$2^6\times 5^1\times {\mathrm{2447}}^1\times {\mathrm{25169}}^1$

素因数の和:27633

約数の個数: 56

約数和(自身を含む): 46951513920

約数和(自身を除く): 27243180160

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 2447, 4894, 9788, 12235, 19576, 24470, 25169, 39152, 48940, 50338, 78304, 97880, 100676, 125845, 156608, 195760, 201352, 251690, 391520, 402704, 503380, 783040, 805408, 1006760, 1610816, 2013520, 4027040, 8054080, 61588543, 123177086, 246354172, 307942715, 492708344, 615885430, 985416688, 1231770860, 1970833376, 2463541720, 3941666752, 4927083440, 9854166880, 19708333760]

約数ペア:

[(1, 19708333760), (2, 9854166880), (4, 4927083440), (5, 3941666752), (8, 2463541720), (10, 1970833376), (16, 1231770860), (20, 985416688), (32, 615885430), (40, 492708344), (64, 307942715), (80, 246354172), (160, 123177086), (320, 61588543), (2447, 8054080), (4894, 4027040), (9788, 2013520), (12235, 1610816), (19576, 1006760), (24470, 805408), (25169, 783040), (39152, 503380), (48940, 402704), (50338, 391520), (78304, 251690), (97880, 201352), (100676, 195760), (125845, 156608)]