6420440

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{12347}}^1$

素因数の和:12371

約数の個数: 32

約数和(自身を含む): 15558480

約数和(自身を除く): 9138040

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 12347, 24694, 49388, 61735, 98776, 123470, 160511, 246940, 321022, 493880, 642044, 802555, 1284088, 1605110, 3210220, 6420440]

約数ペア:

[(1, 6420440), (2, 3210220), (4, 1605110), (5, 1284088), (8, 802555), (10, 642044), (13, 493880), (20, 321022), (26, 246940), (40, 160511), (52, 123470), (65, 98776), (104, 61735), (130, 49388), (260, 24694), (520, 12347)]