55367780

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{16381}}^1$

素因数の和:16416

約数の個数: 36

約数和(自身を含む): 125912052

約数和(自身を除く): 70544272

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 169, 260, 338, 676, 845, 1690, 3380, 16381, 32762, 65524, 81905, 163810, 212953, 327620, 425906, 851812, 1064765, 2129530, 2768389, 4259060, 5536778, 11073556, 13841945, 27683890, 55367780]

約数ペア:

[(1, 55367780), (2, 27683890), (4, 13841945), (5, 11073556), (10, 5536778), (13, 4259060), (20, 2768389), (26, 2129530), (52, 1064765), (65, 851812), (130, 425906), (169, 327620), (260, 212953), (338, 163810), (676, 81905), (845, 65524), (1690, 32762), (3380, 16381)]