13211120

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{12703}}^1$

素因数の和:12729

約数の個数: 40

約数和(自身を含む): 33081216

約数和(自身を除く): 19870096

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 12703, 25406, 50812, 63515, 101624, 127030, 165139, 203248, 254060, 330278, 508120, 660556, 825695, 1016240, 1321112, 1651390, 2642224, 3302780, 6605560, 13211120]

約数ペア:

[(1, 13211120), (2, 6605560), (4, 3302780), (5, 2642224), (8, 1651390), (10, 1321112), (13, 1016240), (16, 825695), (20, 660556), (26, 508120), (40, 330278), (52, 254060), (65, 203248), (80, 165139), (104, 127030), (130, 101624), (208, 63515), (260, 50812), (520, 25406), (1040, 12703)]