4878640

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{4691}}^1$

素因数の和:4717

約数の個数: 40

約数和(自身を含む): 12217968

約数和(自身を除く): 7339328

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 4691, 9382, 18764, 23455, 37528, 46910, 60983, 75056, 93820, 121966, 187640, 243932, 304915, 375280, 487864, 609830, 975728, 1219660, 2439320, 4878640]

約数ペア:

[(1, 4878640), (2, 2439320), (4, 1219660), (5, 975728), (8, 609830), (10, 487864), (13, 375280), (16, 304915), (20, 243932), (26, 187640), (40, 121966), (52, 93820), (65, 75056), (80, 60983), (104, 46910), (130, 37528), (208, 23455), (260, 18764), (520, 9382), (1040, 4691)]