16404180

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{21031}}^1$

素因数の和:21056

約数の個数: 48

約数和(自身を含む): 49467264

約数和(自身を除く): 33063084

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 21031, 42062, 63093, 84124, 105155, 126186, 210310, 252372, 273403, 315465, 420620, 546806, 630930, 820209, 1093612, 1261860, 1367015, 1640418, 2734030, 3280836, 4101045, 5468060, 8202090, 16404180]

約数ペア:

[(1, 16404180), (2, 8202090), (3, 5468060), (4, 4101045), (5, 3280836), (6, 2734030), (10, 1640418), (12, 1367015), (13, 1261860), (15, 1093612), (20, 820209), (26, 630930), (30, 546806), (39, 420620), (52, 315465), (60, 273403), (65, 252372), (78, 210310), (130, 126186), (156, 105155), (195, 84124), (260, 63093), (390, 42062), (780, 21031)]