2947880

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{5669}}^1$

素因数の和:5693

約数の個数: 32

約数和(自身を含む): 7144200

約数和(自身を除く): 4196320

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 5669, 11338, 22676, 28345, 45352, 56690, 73697, 113380, 147394, 226760, 294788, 368485, 589576, 736970, 1473940, 2947880]

約数ペア:

[(1, 2947880), (2, 1473940), (4, 736970), (5, 589576), (8, 368485), (10, 294788), (13, 226760), (20, 147394), (26, 113380), (40, 73697), (52, 56690), (65, 45352), (104, 28345), (130, 22676), (260, 11338), (520, 5669)]