39965820

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{21487}}^1$

素因数の和:21530

約数の個数: 48

約数和(自身を含む): 115519488

約数和(自身を除く): 75553668

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 31, 60, 62, 93, 124, 155, 186, 310, 372, 465, 620, 930, 1860, 21487, 42974, 64461, 85948, 107435, 128922, 214870, 257844, 322305, 429740, 644610, 666097, 1289220, 1332194, 1998291, 2664388, 3330485, 3996582, 6660970, 7993164, 9991455, 13321940, 19982910, 39965820]

約数ペア:

[(1, 39965820), (2, 19982910), (3, 13321940), (4, 9991455), (5, 7993164), (6, 6660970), (10, 3996582), (12, 3330485), (15, 2664388), (20, 1998291), (30, 1332194), (31, 1289220), (60, 666097), (62, 644610), (93, 429740), (124, 322305), (155, 257844), (186, 214870), (310, 128922), (372, 107435), (465, 85948), (620, 64461), (930, 42974), (1860, 21487)]