1036880

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{997}}^1$

素因数の和:1023

約数の個数: 40

約数和(自身を含む): 2598792

約数和(自身を除く): 1561912

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 997, 1040, 1994, 3988, 4985, 7976, 9970, 12961, 15952, 19940, 25922, 39880, 51844, 64805, 79760, 103688, 129610, 207376, 259220, 518440, 1036880]

約数ペア:

[(1, 1036880), (2, 518440), (4, 259220), (5, 207376), (8, 129610), (10, 103688), (13, 79760), (16, 64805), (20, 51844), (26, 39880), (40, 25922), (52, 19940), (65, 15952), (80, 12961), (104, 9970), (130, 7976), (208, 4985), (260, 3988), (520, 1994), (997, 1040)]