2439320

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{4691}}^1$

素因数の和:4715

約数の個数: 32

約数和(自身を含む): 5911920

約数和(自身を除く): 3472600

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 4691, 9382, 18764, 23455, 37528, 46910, 60983, 93820, 121966, 187640, 243932, 304915, 487864, 609830, 1219660, 2439320]

約数ペア:

[(1, 2439320), (2, 1219660), (4, 609830), (5, 487864), (8, 304915), (10, 243932), (13, 187640), (20, 121966), (26, 93820), (40, 60983), (52, 46910), (65, 37528), (104, 23455), (130, 18764), (260, 9382), (520, 4691)]